Hi [deleted]
Yes it seems that email is not provided, but in the facebookapp I gave the permission to use the email-address.
[2020-01-05 11:28:32] production.ERROR: TypeError: Argument 1 passed to Flarum\Forum\Auth\Registration::provideTrustedEmail() must be of the type string, null given, called in /var/www/littleakiba/site/vendor/flarum/auth-facebook/src/FacebookAuthController.php on line 101 and defined in /var/www/littleakiba/site/vendor/flarum/core/src/Forum/Auth/Registration.php:69
Stack trace:
#0 /var/www/littleakiba/site/vendor/flarum/auth-facebook/src/FacebookAuthController.php(101): Flarum\Forum\Auth\Registration->provideTrustedEmail(NULL)
#1 /var/www/littleakiba/site/vendor/flarum/core/src/Forum/Auth/ResponseFactory.php(41): Flarum\Auth\Facebook\FacebookAuthController->Flarum\Auth\Facebook\{closure}(Object(Flarum\Forum\Auth\Registration))
#2 /var/www/littleakiba/site/vendor/flarum/auth-facebook/src/FacebookAuthController.php(105): Flarum\Forum\Auth\ResponseFactory->make('facebook', '482733612654751', Object(Closure))
#3 /var/www/littleakiba/site/vendor/flarum/core/src/Http/RouteHandlerFactory.php(38): Flarum\Auth\Facebook\FacebookAuthController->handle(Object(Zend\Diactoros\ServerRequest))
#4 /var/www/littleakiba/site/vendor/flarum/core/src/Http/Middleware/DispatchRoute.php(65): Flarum\Http\RouteHandlerFactory->Flarum\Http\{closure}(Object(Zend\Diactoros\ServerRequest), Array)
#5 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Flarum\Http\Middleware\DispatchRoute->process(Object(Zend\Diactoros\ServerRequest), Object(Closure))
#6 /var/www/littleakiba/site/vendor/fof/html-errors/src/Middlewares/HandleErrors.php(20): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#7 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): FoF\HtmlErrors\Middlewares\HandleErrors->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#8 /var/www/littleakiba/site/vendor/fof/terms/src/Middlewares/RegisterMiddleware.php(54): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#9 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): FoF\Terms\Middlewares\RegisterMiddleware->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#10 /var/www/littleakiba/site/vendor/flarum/core/src/Http/Middleware/ShareErrorsFromSession.php(56): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#11 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Flarum\Http\Middleware\ShareErrorsFromSession->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#12 /var/www/littleakiba/site/vendor/flarum/core/src/Http/Middleware/SetLocale.php(50): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#13 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Flarum\Http\Middleware\SetLocale->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#14 /var/www/littleakiba/site/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php(23): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#15 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Flarum\Http\Middleware\CheckCsrfToken->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#16 /var/www/littleakiba/site/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(32): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#17 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Flarum\Http\Middleware\AuthenticateWithSession->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#18 /var/www/littleakiba/site/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(51): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#19 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Flarum\Http\Middleware\RememberFromCookie->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#20 /var/www/littleakiba/site/vendor/flarum/core/src/Http/Middleware/StartSession.php(61): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#21 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Flarum\Http\Middleware\StartSession->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#22 /var/www/littleakiba/site/vendor/flarum/core/src/Http/Middleware/CollectGarbage.php(46): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#23 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Flarum\Http\Middleware\CollectGarbage->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#24 /var/www/littleakiba/site/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(28): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#25 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Flarum\Http\Middleware\ParseJsonBody->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#26 /var/www/littleakiba/site/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(57): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#27 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Flarum\Http\Middleware\HandleErrors->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#28 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/MiddlewarePipe.php(83): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#29 /var/www/littleakiba/site/vendor/middlewares/request-handler/src/RequestHandler.php(84): Zend\Stratigility\MiddlewarePipe->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#30 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Middlewares\RequestHandler->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#31 /var/www/littleakiba/site/vendor/middlewares/base-path-router/src/BasePathRouter.php(97): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#32 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Middlewares\BasePathRouter->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#33 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Middleware/OriginalMessages.php(41): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#34 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Zend\Stratigility\Middleware\OriginalMessages->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#35 /var/www/littleakiba/site/vendor/middlewares/base-path/src/BasePath.php(53): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#36 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/Next.php(60): Middlewares\BasePath->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\Next))
#37 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/MiddlewarePipe.php(83): Zend\Stratigility\Next->handle(Object(Zend\Diactoros\ServerRequest))
#38 /var/www/littleakiba/site/vendor/zendframework/zend-stratigility/src/MiddlewarePipe.php(72): Zend\Stratigility\MiddlewarePipe->process(Object(Zend\Diactoros\ServerRequest), Object(Zend\Stratigility\EmptyPipelineHandler))
#39 /var/www/littleakiba/site/vendor/zendframework/zend-httphandlerrunner/src/RequestHandlerRunner.php(95): Zend\Stratigility\MiddlewarePipe->handle(Object(Zend\Diactoros\ServerRequest))
#40 /var/www/littleakiba/site/vendor/flarum/core/src/Http/Server.php(44): Zend\HttpHandlerRunner\RequestHandlerRunner->run()
#41 /var/www/littleakiba/site/public/index.php(22): Flarum\Http\Server->listen()
#42 {main}
Because I did not change anything on facebook nor the configuration of the extension, I have no idea why I am now getting this error. Just updated flarum to newest version when it came out.