Notice: Undefined index: HTTP_ACCEPT_LANGUAGE in C:\server\www\cecz.eu\app\App\Language.php on line 61

Notice: Undefined index: HTTP_ACCEPT_LANGUAGE in C:\server\www\cecz.eu\app\App\Language.php on line 61

Fatal error: Uncaught Laminas\HttpHandlerRunner\Exception\EmitterException: Output has been emitted previously; cannot emit response in C:\server\www\cecz.eu\vendor\laminas\laminas-httphandlerrunner\src\Exception\EmitterException.php:24 Stack trace: #0 C:\server\www\cecz.eu\vendor\laminas\laminas-httphandlerrunner\src\Emitter\SapiEmitterTrait.php(40): Laminas\HttpHandlerRunner\Exception\EmitterException::forOutputSent() #1 C:\server\www\cecz.eu\vendor\laminas\laminas-httphandlerrunner\src\Emitter\SapiEmitter.php(27): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->assertNoPreviousOutput() #2 C:\server\www\cecz.eu\app\run.php(114): Laminas\HttpHandlerRunner\Emitter\SapiEmitter->emit(Object(Nyholm\Psr7\Response)) #3 C:\server\www\cecz.eu\app\run.php(116): {closure}() #4 C:\server\www\cecz.eu\index.php(3): include('C:\\server\\www\\c...') #5 {main} thrown in C:\server\www\cecz.eu\vendor\laminas\laminas-httphandlerrunner\src\Exception\EmitterException.php on line 24