Hi, I get a warning after I changed display name driver on the Basics Page from 'nickname' to 'username'.
Warning: Undefined array key "data" in C:\xampp\htdocs\flarum\vendor\flarum\core\src\Frontend\Content\CorePayload.php on line 74
Fatal error: Uncaught Laminas\HttpHandlerRunner\Exception\EmitterException: Output has been emitted previously; cannot emit response in C:\xampp\htdocs\flarum\vendor\laminas\laminas-httphandlerrunner\src\Exception\EmitterException.php:24 Stack trace: #0 C:\xampp\htdocs\flarum\vendor\laminas\laminas-httphandlerrunner\src\Emitter\SapiEmitterTrait.php(40): Laminas\HttpHandlerRunner\Exception\EmitterException::forOutputSent() #1 C:\xampp\htdocs\flarum\vendor\laminas\laminas-httphandlerrunner\src\Emitter\SapiEmitter.php(27): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->assertNoPreviousOutput() #2 C:\xampp\htdocs\flarum\vendor\laminas\laminas-httphandlerrunner\src\RequestHandlerRunner.php(98): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->emit(Object(Laminas\Diactoros\Response\HtmlResponse)) #3 C:\xampp\htdocs\flarum\vendor\flarum\core\src\Http\Server.php(44): Laminas\HttpHandlerRunner\RequestHandlerRunner->run() #4 C:\xampp\htdocs\flarum\public\index.php(26): Flarum\Http\Server->listen() #5 {main} thrown in C:\xampp\htdocs\flarum\vendor\laminas\laminas-httphandlerrunner\src\Exception\EmitterException.php on line 24
What should I do now? I deleted extension from extensions_enabled
from database for working.