Notice: compact(): Undefined variable: forum in C:\xampp\htdocs\flarum\vendor\flarum\core\src\Forum\Content\Index.php on line 61
Fatal error: Uncaught Zend\HttpHandlerRunner\Exception\EmitterException: Output has been emitted previously; cannot emit response in C:\xampp\htdocs\flarum\vendor\zendframework\zend-httphandlerrunner\src\Exception\EmitterException.php:23 Stack trace: #0 C:\xampp\htdocs\flarum\vendor\zendframework\zend-httphandlerrunner\src\Emitter\SapiEmitterTrait.php(39): Zend\HttpHandlerRunner\Exception\EmitterException::forOutputSent() #1 C:\xampp\htdocs\flarum\vendor\zendframework\zend-httphandlerrunner\src\Emitter\SapiEmitter.php(26): Zend\HttpHandlerRunner\Emitter\SapiEmitter->assertNoPreviousOutput() #2 C:\xampp\htdocs\flarum\vendor\zendframework\zend-httphandlerrunner\src\RequestHandlerRunner.php(97): Zend\HttpHandlerRunner\Emitter\SapiEmitter->emit(Object(Zend\Diactoros\Response\HtmlResponse)) #3 C:\xampp\htdocs\flarum\vendor\flarum\core\src\Http\Server.php(46): Zend\HttpHandlerRunner\RequestHandlerRunner->run() #4 C:\xampp\htdocs\flarum\index.php(22): Flarum\Http\Server->listen() #5 {main} thrown in C:\xampp\htdocs\flarum\vendor\zendframework\zend-httphandlerrunner\src\Exception\EmitterException.php on line 23
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