datitisev you're right, it didn't fix it. Here are the logs, please let me know if this helps:
Next Illuminate\Database\QueryException: SQLSTATE[42000]: Syntax error or access violation: 1064 You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'JSON)' at line 1 (Connection: flarum, Host: localhost, Port: 3306, Database: u942934956_flarum, SQL: select * from `notifications` where (`type` = postReacted and `from_user_id` = 2511 and `subject_id` = 575515) and data = CAST("{\"id\":3,\"identifier\":\"laugh\",\"type\":\"emoji\",\"enabled\":true,\"display\":\"Laugh\"}" AS JSON)) in /home/u942934956/domains/example.com/public_html/flarum/vendor/illuminate/database/Connection.php:841
Stack trace:
#0 /home/u942934956/domains/example.com/public_html/flarum/vendor/illuminate/database/Connection.php(797): Illuminate\Database\Connection->runQueryCallback()
#1 /home/u942934956/domains/example.com/public_html/flarum/vendor/illuminate/database/Connection.php(412): Illuminate\Database\Connection->run()
#2 /home/u942934956/domains/example.com/public_html/flarum/vendor/illuminate/database/Query/Builder.php(3567): Illuminate\Database\Connection->select()
#3 /home/u942934956/domains/example.com/public_html/flarum/vendor/illuminate/database/Query/Builder.php(3551): Illuminate\Database\Query\Builder->runSelect()
#4 /home/u942934956/domains/example.com/public_html/flarum/vendor/illuminate/database/Eloquent/Builder.php(908): Illuminate\Database\Query\Builder->get()
#5 /home/u942934956/domains/example.com/public_html/flarum/vendor/illuminate/database/Eloquent/Builder.php(890): Illuminate\Database\Eloquent\Builder->getModels()
#6 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Notification/NotificationSyncer.php(60): Illuminate\Database\Eloquent\Builder->get()
#7 /home/u942934956/domains/example.com/public_html/flarum/vendor/fof/reactions/src/Listener/SendNotificationWhenPostIsReacted.php(38): Flarum\Notification\NotificationSyncer->sync()
#8 /home/u942934956/domains/example.com/public_html/flarum/vendor/illuminate/events/Dispatcher.php(519): FoF\Reactions\Listener\SendNotificationWhenPostIsReacted->handle()
#9 /home/u942934956/domains/example.com/public_html/flarum/vendor/illuminate/events/Dispatcher.php(329): Illuminate\Events\Dispatcher->Illuminate\Events\{closure}()
#10 /home/u942934956/domains/example.com/public_html/flarum/vendor/illuminate/events/Dispatcher.php(309): Illuminate\Events\Dispatcher->invokeListeners()
#11 /home/u942934956/domains/example.com/public_html/flarum/vendor/fof/reactions/src/PostResourceFields.php(214): Illuminate\Events\Dispatcher->dispatch()
#12 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/json-api-server/src/Schema/Concerns/SetsValue.php(166): FoF\Reactions\PostResourceFields->setReaction()
#13 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/json-api-server/src/Endpoint/Concerns/SavesData.php(221): Tobyz\JsonApiServer\Schema\Field\Field->saveValue()
#14 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Api/Endpoint/Update.php(64): Flarum\Api\Endpoint\Update->saveFields()
#15 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Api/Endpoint/Endpoint.php(104): Flarum\Api\Endpoint\Update->Flarum\Api\Endpoint\{closure}()
#16 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Api/Endpoint/Endpoint.php(137): Flarum\Api\Endpoint\Endpoint->process()
#17 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Api/JsonApi.php(129): Flarum\Api\Endpoint\Endpoint->handle()
#18 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/RouteHandlerFactory.php(56): Flarum\Api\JsonApi->handle()
#19 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/ExecuteRoute.php(27): Flarum\Http\RouteHandlerFactory->Flarum\Http\{closure}()
#20 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\ExecuteRoute->process()
#21 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/PopulateWithActor.php(27): Laminas\Stratigility\Next->handle()
#22 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\PopulateWithActor->process()
#23 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Api/Middleware/ThrottleApi.php(31): Laminas\Stratigility\Next->handle()
#24 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Api\Middleware\ThrottleApi->process()
#25 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/CheckCsrfToken.php(40): Laminas\Stratigility\Next->handle()
#26 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\CheckCsrfToken->process()
#27 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/CheckForMaintenanceMode.php(37): Laminas\Stratigility\Next->handle()
#28 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\CheckForMaintenanceMode->process()
#29 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/ResolveRoute.php(59): Laminas\Stratigility\Next->handle()
#30 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\ResolveRoute->process()
#31 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/SetLocale.php(43): Laminas\Stratigility\Next->handle()
#32 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\SetLocale->process()
#33 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/AuthenticateWithHeader.php(63): Laminas\Stratigility\Next->handle()
#34 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\AuthenticateWithHeader->process()
#35 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/AuthenticateWithSession.php(32): Laminas\Stratigility\Next->handle()
#36 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\AuthenticateWithSession->process()
#37 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/RememberFromCookie.php(55): Laminas\Stratigility\Next->handle()
#38 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\RememberFromCookie->process()
#39 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/StartSession.php(44): Laminas\Stratigility\Next->handle()
#40 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\StartSession->process()
#41 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Api/Middleware/FakeHttpMethods.php(29): Laminas\Stratigility\Next->handle()
#42 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Api\Middleware\FakeHttpMethods->process()
#43 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/ParseJsonBody.php(28): Laminas\Stratigility\Next->handle()
#44 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\ParseJsonBody->process()
#45 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/HandleErrors.php(43): Laminas\Stratigility\Next->handle()
#46 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\HandleErrors->process()
#47 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/InjectActorReference.php(25): Laminas\Stratigility\Next->handle()
#48 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\InjectActorReference->process()
#49 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(77): Laminas\Stratigility\Next->handle()
#50 /home/u942934956/domains/example.com/public_html/flarum/vendor/middlewares/request-handler/src/RequestHandler.php(84): Laminas\Stratigility\MiddlewarePipe->process()
#51 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Middlewares\RequestHandler->process()
#52 /home/u942934956/domains/example.com/public_html/flarum/vendor/middlewares/base-path-router/src/BasePathRouter.php(97): Laminas\Stratigility\Next->handle()
#53 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Middlewares\BasePathRouter->process()
#54 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Middleware/OriginalMessages.php(36): Laminas\Stratigility\Next->handle()
#55 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Laminas\Stratigility\Middleware\OriginalMessages->process()
#56 /home/u942934956/domains/example.com/public_html/flarum/vendor/middlewares/base-path/src/BasePath.php(73): Laminas\Stratigility\Next->handle()
#57 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Middlewares\BasePath->process()
#58 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Middleware/ProcessIp.php(24): Laminas\Stratigility\Next->handle()
#59 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/Next.php(52): Flarum\Http\Middleware\ProcessIp->process()
#60 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(77): Laminas\Stratigility\Next->handle()
#61 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-stratigility/src/MiddlewarePipe.php(66): Laminas\Stratigility\MiddlewarePipe->process()
#62 /home/u942934956/domains/example.com/public_html/flarum/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(73): Laminas\Stratigility\MiddlewarePipe->handle()
#63 /home/u942934956/domains/example.com/public_html/flarum/vendor/flarum/core/src/Http/Server.php(44): Laminas\HttpHandlerRunner\RequestHandlerRunner->run()
#64 /home/u942934956/domains/example.com/public_html/flarum/index.php(26): Flarum\Http\Server->listen()
#65 {main}