The issue
Warning: Undefined array key "data" in /www/wwwroot/156.241.136.78/vendor/flarum/core/src/Frontend/Content/CorePayload.php on line 57
Fatal error: Uncaught Laminas\HttpHandlerRunner\Exception\EmitterException: Output has been emitted previously; cannot emit response in /www/wwwroot/156.241.136.78/vendor/laminas/laminas-httphandlerrunner/src/Exception/EmitterException.php:24 Stack trace: #0 /www/wwwroot/156.241.136.78/vendor/laminas/laminas-httphandlerrunner/src/Emitter/SapiEmitterTrait.php(40): Laminas\HttpHandlerRunner\Exception\EmitterException::forOutputSent() #1 /www/wwwroot/156.241.136.78/vendor/laminas/laminas-httphandlerrunner/src/Emitter/SapiEmitter.php(27): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->assertNoPreviousOutput() #2 /www/wwwroot/156.241.136.78/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(98): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->emit() #3 /www/wwwroot/156.241.136.78/vendor/flarum/core/src/Http/Server.php(45): Laminas\HttpHandlerRunner\RequestHandlerRunner->run() #4 /www/wwwroot/156.241.136.78/public/index.php(26): Flarum\Http\Server->listen() #5 {main} thrown in /www/wwwroot/156.241.136.78/vendor/laminas/laminas-httphandlerrunner/src/Exception/EmitterException.php on line 24
Post some information here like what you expected to see, but got instead. If you can find any logs in /storage/logs or in your browser console that relate to the issue, add them.
Flarum information
Guys, how do you solve this, after several orders, I'm stumped
Post your output of php flarum info here. Without this information providing support will take longer!
