Deprecated: Return type of Flarum\Foundation\Config::offsetExists($offset) should either be compatible with ArrayAccess::offsetExists(mixed $offset): bool, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/app/flarum/vendor/flarum/core/src/Foundation/Config.php on line 61

Deprecated: Return type of Flarum\Foundation\Config::offsetGet($offset) should either be compatible with ArrayAccess::offsetGet(mixed $offset): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/app/flarum/vendor/flarum/core/src/Foundation/Config.php on line 56

Deprecated: Return type of Flarum\Foundation\Config::offsetSet($offset, $value) should either be compatible with ArrayAccess::offsetSet(mixed $offset, mixed $value): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/app/flarum/vendor/flarum/core/src/Foundation/Config.php on line 66

Deprecated: Return type of Flarum\Foundation\Config::offsetUnset($offset) should either be compatible with ArrayAccess::offsetUnset(mixed $offset): void, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/app/flarum/vendor/flarum/core/src/Foundation/Config.php on line 71

Deprecated: Return type of Tobscure\JsonApi\Document::jsonSerialize() should either be compatible with JsonSerializable::jsonSerialize(): mixed, or the #[\ReturnTypeWillChange] attribute should be used to temporarily suppress the notice in /home/app/flarum/vendor/tobscure/json-api/src/Document.php on line 222

Fatal error: Uncaught Laminas\HttpHandlerRunner\Exception\EmitterException: Unable to emit response; headers already sent in /home/app/flarum/vendor/laminas/laminas-httphandlerrunner/src/Exception/EmitterException.php:19 Stack trace: #0 /home/app/flarum/vendor/laminas/laminas-httphandlerrunner/src/Emitter/SapiEmitterTrait.php(36): Laminas\HttpHandlerRunner\Exception\EmitterException::forHeadersSent() #1 /home/app/flarum/vendor/laminas/laminas-httphandlerrunner/src/Emitter/SapiEmitter.php(27): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->assertNoPreviousOutput() #2 /home/app/flarum/vendor/laminas/laminas-httphandlerrunner/src/RequestHandlerRunner.php(98): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->emit(Object(Laminas\Diactoros\Response)) #3 /home/app/flarum/vendor/flarum/core/src/Http/Server.php(44): Laminas\HttpHandlerRunner\RequestHandlerRunner->run() #4 /home/app/flarum/public/index.php(26): Flarum\Http\Server->listen() #5 {main} thrown in /home/app/flarum/vendor/laminas/laminas-httphandlerrunner/src/Exception/EmitterException.php on line 19