MyBB to flarum

debynory

Hi, on Mybb I have Mysql database. Can I import Mysql database to Flarum Mariadb database?

They are two different types of databases, but can the plugin manage the import to Flarum anyway?

MichaelBelgium

debynory That wont be a problem, queries in mariadb are the same as mysql. I test with a mariadb database

debynory

MichaelBelgium Hi Michael! I have a trouble with the plugin 🙁

I have installed Flarum forum on my VPS, Mariadb database and all works.

Now, to import database from Mybb, how should i do?

I tried to add the database (mybb_ prefix) directly into the Flarum database (fla_ prefix). Then on AdminCP I have put Hostname "IP address VPS", database credentials of Flarum db, mybb_ prefix.
But I often have problems, for example the categories (the forums on Mybb) are correct but then it only imported the first 3 posts, everything else gives me an error. What is the procedure like?

Edit: I have imported manually only these tables: mybb_posts; mybb_threads; mybb_userfields; mybb_usergroups; mybb_users; mybb_usertitles.

Users no problem, all 4600 users are imported!!

Same things with usergroups.

The problem is with posts (151,741) and threads (14,335) 🙁 Plugin starts import but then "Oops! Something went wrong. Please reload the page and try again." and it imports only 3 discussions and 104 posts 🙁

On PHP I have increased what I could:

max_execution_time 30000
max_input_time 60000
max_input_vars 10000
memory_limit 512mb
post_max_size (Nginx and PHP) 512mb
upload_max_filesize 512mb
allow_url_fopen

MichaelBelgium

debynory The problem is with posts (151,741) and threads (14,335) 🙁 Plugin starts import but then "Oops! Something went wrong. Please reload the page and try again." and it imports only 3 discussions and 104 posts 🙁

Can u check flarum logs for sql errors?

teletubbie

Hello
I just use this plugin to migrated mybb 1.8.22 to flarum 0.1.0-beta.13 (latest version)
only were imported users and their discussions quantity but not the discusions, user groups, categories.
Where can I see the error log from the importer?

teletubbie

@MichaelBelgium please help

teletubbie

I see this in the error logs:

[2020-05-18 02:27:55] production.ERROR: Error: Class 'Flarum\Util\Str' not found in /home/tttttt/public_html/mysite.com/vendor/michaelbelgium/mybb-to-flarum/src/Migrator.php:333
Stack trace:
#0 /home/tttttt/public_html/mysite.com/vendor/michaelbelgium/mybb-to-flarum/src/Migrator.php(209): Michaelbelgium\Mybbtoflarum\Migrator->slugDiscussion('\xC2\xBFD\xC3\xB3nde me con...')
#1 /home/tttttt/public_html/mysite.com/vendor/michaelbelgium/mybb-to-flarum/src/Controllers/MybbToFlarumController.php(68): Michaelbelgium\Mybbtoflarum\Migrator->migrateDiscussions(false, false, false, false)
#2 /home/tttttt/public_html/mysite.com/vendor/flarum/core/src/Http/RouteHandlerFactory.php(38): Michaelbelgium\Mybbtoflarum\Controllers\MybbToFlarumController->handle(Object(Laminas\Diactoros\ServerRequest))
#3 /home/tttttt/public_html/mysite.com/vendor/flarum/core/src/Http/Middleware/DispatchRoute.php(65): Flarum\Http\RouteHandlerFactory->Flarum\Http{closure}(Object(Laminas\Diactoros\ServerRequest), Array)
#4 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\DispatchRoute->process(Object(Laminas\Diactoros\ServerRequest), Object(Closure))
#5 /home/tttttt/public_html/mysite.com/vendor/flarum/core/src/Http/Middleware/SetLocale.php(50): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#6 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\SetLocale->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#7 /home/tttttt/public_html/mysite.com/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php(45): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#8 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\CheckCsrfToken->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#9 /home/tttttt/public_html/mysite.com/vendor/flarum/core/src/Http/Middleware/AuthenticateWithHeader.php(55): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#10 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\AuthenticateWithHeader->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#11 /home/tttttt/public_html/mysite.com/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(32): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#12 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\AuthenticateWithSession->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#13 /home/tttttt/public_html/mysite.com/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(51): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#14 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\RememberFromCookie->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#15 /home/tttttt/public_html/mysite.com/vendor/flarum/core/src/Http/Middleware/StartSession.php(61): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#16 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\StartSession->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#17 /home/tttttt/public_html/mysite.com/vendor/flarum/core/src/Api/Middleware/FakeHttpMethods.php(29): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#18 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Api\Middleware\FakeHttpMethods->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#19 /home/tttttt/public_html/mysite.com/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(28): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#20 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\ParseJsonBody->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#21 /home/tttttt/public_html/mysite.com/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(57): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#22 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\Http\Middleware\HandleErrors->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#23 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(84): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#24 /home/tttttt/public_html/mysite.com/vendor/middlewares/request-handler/src/RequestHandler.php(84): Laminas\Stratigility\MiddlewarePipe->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#25 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\RequestHandler->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#26 /home/tttttt/public_html/mysite.com/vendor/middlewares/base-path-router/src/BasePathRouter.php(97): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#27 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\BasePathRouter->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#28 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Middleware/OriginalMessages.php(42): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#29 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Laminas\Stratigility\Middleware\OriginalMessages->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#30 /home/tttttt/public_html/mysite.com/vendor/middlewares/base-path/src/BasePath.php(53): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#31 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\BasePath->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\Next))
#32 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(84): Laminas\Stratigility\Next->handle(Object(Laminas\Diactoros\ServerRequest))
#33 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(73): Laminas\Stratigility\MiddlewarePipe->process(Object(Laminas\Diactoros\ServerRequest), Object(Laminas\Stratigility\EmptyPipelineHandler))
#34 /home/tttttt/public_html/mysite.com/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(96): Laminas\Stratigility\MiddlewarePipe->handle(Object(Laminas\Diactoros\ServerRequest))
#35 /home/tttttt/public_html/mysite.com/vendor/flarum/core/src/Http/Server.php(42): Laminas\HttpHandlerRunner\RequestHandlerRunner->run()
#36 /home/tttttt/public_html/mysite.com/index.php(26): Flarum\Http\Server->listen()

teletubbie

please can you update this extension to work with the latest flarum version?

MichaelBelgium

teletubbie I will once i find the time, I didn't check all my extensions yet with the new beta version

teletubbie

I just migrated fine downgrading flarum to beta 0.1.0-beta.12 and then upgrading to 0.1.0-beta.13 again.

teletubbie

By the way, the plugin has the option to import Avatars, but this include image profiles, signatures? what exactly?
Image profiles did not were migrated.
Maybe I am using wrong the path?
Anyway, I copied the mybb forum to MyFlarumForum.com/mybb
and I am placed in the field this:
/public_html/MyFlarumForum.com/mybb

what is wrong?

teletubbie

MichaelBelgium
I downgraded to beta 0.1.0-beta.12 and then migrated. But image profiles were not imported.
Should they have been imported?

debynory

Hi, I have uploaded database from my forum in Mybb to phpmyadmin in localhost, filled the date and then on Migrate but I have always the error "Oops! Something went wrong. Please reload the page and try again." 🙁

clarkwinkelmann

debynory please copy all relevant error messages from the log files. Flarum logs are found at <flarum>/storage/logs

debynory

clarkwinkelmann I have changed hosting and now it's better, I have imported 1200 users, categories, usergroups but now I have problems with post and threads 🙁

Importer always seems to get stuck on 1K discussions and 40K posts, but I have 13.000 discussions and 200.000 posts 🙁
I have put the maximum PHP settings but nothing. Always "Oops! Something went wrong. Please reload the page and try again." error and if I try again, it starts all over again, for example it doesn't overwrite already imported posts and threads.

How can I manually convert posts and threads? For example, a problem is dates of Mybb, they are different in database from dates of Flarum.

clarkwinkelmann

debynory if it says "Oops", it means there's a more complete error message in the log file, or alternatively in the javascript console of the browser.

You may also enable debug in config.php so the error is printed on screen instead of "Oops".

I personally can't help with the import script, but I can help with a Flarum error if you share the error message 😉

debynory

clarkwinkelmann Thanks, I have this error in debug:

503 Service Unavailable
POST http://mysite.com/api/mybb-to-flarum

<!DOCTYPE html>
<html>
  <head>
    <title>503 Service Unavailable</title>
  </head>
  <body>
    <h1>Error 503 Service Unavailable</h1>
    <p>Service Unavailable</p>
    <h3>Guru Meditation:</h3>
    <p>XID: 20435029</p>
    <hr>
    <p>Varnish cache server</p>
  </body>
</html>

I think it's server 🙁 🙁

Gatsu

debynory You can try to disable Varnish cache.

debynory

Gatsu Without Varnish cache it's better (I immediately see the posts, without delay) but now I have this debug error:


POST http://mysite.com/api/mybb-to-flarum

{
  "errors": [
    {
      "status": "500",
      "code": "unknown",
      "detail": "TypeError: Argument 1 passed to Flarum\\Discussion\\Discussion::setFirstPost() must be an instance of Flarum\\Post\\Post, null given, called in /home/omaggiec/public_html/vendor/michaelbelgium/mybb-to-flarum/src/Migrator.php on line 262 and defined in /home/omaggiec/public_html/vendor/flarum/core/src/Discussion/Discussion.php:201\nStack trace:\n#0 /home/omaggiec/public_html/vendor/michaelbelgium/mybb-to-flarum/src/Migrator.php(262): Flarum\\Discussion\\Discussion->setFirstPost(NULL)\n#1 /home/omaggiec/public_html/vendor/michaelbelgium/mybb-to-flarum/src/Controllers/MybbToFlarumController.php(68): Michaelbelgium\\Mybbtoflarum\\Migrator->migrateDiscussions(false, true, false, false)\n#2 /home/omaggiec/public_html/vendor/flarum/core/src/Http/RouteHandlerFactory.php(38): Michaelbelgium\\Mybbtoflarum\\Controllers\\MybbToFlarumController->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#3 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/DispatchRoute.php(65): Flarum\\Http\\RouteHandlerFactory->Flarum\\Http\\{closure}(Object(Laminas\\Diactoros\\ServerRequest), Array)\n#4 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\DispatchRoute->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Closure))\n#5 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/SetLocale.php(50): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#6 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\SetLocale->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#7 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php(45): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#8 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\CheckCsrfToken->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#9 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/AuthenticateWithHeader.php(55): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#10 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\AuthenticateWithHeader->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#11 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(32): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#12 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\AuthenticateWithSession->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#13 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(51): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#14 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\RememberFromCookie->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#15 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/StartSession.php(61): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#16 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\StartSession->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#17 /home/omaggiec/public_html/vendor/flarum/core/src/Api/Middleware/FakeHttpMethods.php(29): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#18 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Api\\Middleware\\FakeHttpMethods->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#19 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(28): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#20 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\ParseJsonBody->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#21 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(57): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#22 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\HandleErrors->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#23 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(84): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#24 /home/omaggiec/public_html/vendor/middlewares/request-handler/src/RequestHandler.php(84): Laminas\\Stratigility\\MiddlewarePipe->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#25 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\\RequestHandler->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#26 /home/omaggiec/public_html/vendor/middlewares/base-path-router/src/BasePathRouter.php(97): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#27 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\\BasePathRouter->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#28 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Middleware/OriginalMessages.php(42): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#29 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Laminas\\Stratigility\\Middleware\\OriginalMessages->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#30 /home/omaggiec/public_html/vendor/middlewares/base-path/src/BasePath.php(53): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#31 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\\BasePath->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#32 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(84): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#33 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(73): Laminas\\Stratigility\\MiddlewarePipe->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\EmptyPipelineHandler))\n#34 /home/omaggiec/public_html/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(96): Laminas\\Stratigility\\MiddlewarePipe->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#35 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Server.php(42): Laminas\\HttpHandlerRunner\\RequestHandlerRunner->run()\n#36 /home/omaggiec/public_html/index.php(26): Flarum\\Http\\Server->listen()\n#37 {main}"
    }
  ]
}

And stuck always on 1K discussions and 40K posts

EDIT: Resolved!!! (For now)

I had 0 on firstpost column in mybb database, about a discussion. Deleted discussion and now it's importing again 😃

mybb_threads table -> check firstpost column, you don't have to have 0

But again stuck 🙁 This time I have this error:

POST http://mysite.com/api/mybb-to-flarum

{
  "errors": [
    {
      "status": "405",
      "code": "method_not_allowed",
      "detail": "Flarum\\Http\\Exception\\MethodNotAllowedException: GET in /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/DispatchRoute.php:60\nStack trace:\n#0 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\DispatchRoute->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#1 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/SetLocale.php(50): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#2 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\SetLocale->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#3 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php(37): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#4 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\CheckCsrfToken->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#5 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/AuthenticateWithHeader.php(55): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#6 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\AuthenticateWithHeader->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#7 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(32): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#8 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\AuthenticateWithSession->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#9 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(51): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#10 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\RememberFromCookie->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#11 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/StartSession.php(61): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#12 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\StartSession->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#13 /home/omaggiec/public_html/vendor/flarum/core/src/Api/Middleware/FakeHttpMethods.php(29): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#14 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Api\\Middleware\\FakeHttpMethods->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#15 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(28): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#16 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\ParseJsonBody->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#17 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(57): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#18 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Flarum\\Http\\Middleware\\HandleErrors->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#19 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(84): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#20 /home/omaggiec/public_html/vendor/middlewares/request-handler/src/RequestHandler.php(84): Laminas\\Stratigility\\MiddlewarePipe->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#21 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\\RequestHandler->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#22 /home/omaggiec/public_html/vendor/middlewares/base-path-router/src/BasePathRouter.php(97): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#23 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\\BasePathRouter->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#24 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Middleware/OriginalMessages.php(42): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#25 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Laminas\\Stratigility\\Middleware\\OriginalMessages->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#26 /home/omaggiec/public_html/vendor/middlewares/base-path/src/BasePath.php(53): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#27 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/Next.php(61): Middlewares\\BasePath->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\Next))\n#28 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(84): Laminas\\Stratigility\\Next->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#29 /home/omaggiec/public_html/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(73): Laminas\\Stratigility\\MiddlewarePipe->process(Object(Laminas\\Diactoros\\ServerRequest), Object(Laminas\\Stratigility\\EmptyPipelineHandler))\n#30 /home/omaggiec/public_html/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(96): Laminas\\Stratigility\\MiddlewarePipe->handle(Object(Laminas\\Diactoros\\ServerRequest))\n#31 /home/omaggiec/public_html/vendor/flarum/core/src/Http/Server.php(42): Laminas\\HttpHandlerRunner\\RequestHandlerRunner->run()\n#32 /home/omaggiec/public_html/index.php(26): Flarum\\Http\\Server->listen()\n#33 {main}"
    }
  ]
}

Now stuck on 3K discussions and 63K posts.

OTHER EDIT: Maybe now it works, I don't know why.
Only I noticed that even if the red error message comes out, in the administration panel the posts and discussions continued to increase, up to almost everyone, only a few it did not import but patience, most yes.
Then I had to put some things in place, for example when I clicked on the homepage (logo of the forum) it always gave me POST null error, so I pressed on "mark all posts as read" and now it seems to be fine too.
I actived together the options "migrate categories, posts and threads" because otherwise it did not correlate with each other forum and post and it was a disaster. Now, however, it seems that the categories are also more or less ok.

MichaelBelgium

turtles ~~Must be a data problem. A discussion always has a first post (the first post = the discussion). Same with mybb, the thread = the first post. So I have no idea why your mybb forum doesn't have that~~

EDIT: nvm, the thread/post might be soft-deleted. If u don't specify they can be migrated then it can indeed show that error. I could reproduce the error by creating a mybb thread and a reply on that thread, soft deleting both the reply and thread and then saying i want to migrate soft deleted threads.

EDIT:
debynory turtles The setFirstPost exception is fixed in v5.1

There might be confusion about these 2 options for migrating soft-deleted posts/threads as a thread is actually a post. So maybe i'll simplify it to 1 option

turtles

I am migrating from Mybb to flarum and during half migration, I get the error:

production.ERROR: TypeError: Argument 1 passed to Flarum\Discussion\Discussion::setFirstPost() must be an instance of Flarum\Post\Post, null given, called in /usr/home/username/domains/mydomain.pro/flarum/vendor/michaelbelgium/mybb-to-flarum/src/Migrator.php on line 262 and defined in /usr/home/username/domains/mydomain.pro/flarum/vendor/flarum/core/src/Discussion/Discussion.php:201
Stack trace:
:

Please help 🙁

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