Fatal error: Uncaught InvalidArgumentException: Invalid HTTP status code in /var/www/html/vendor/slim/slim/Slim/Http/Response.php:227 Stack trace: #0 /var/www/html/vendor/slim/slim/Slim/Http/Response.php(191): Slim\Http\Response->filterStatus(0) #1 /var/www/html/app/Handlers/Error.php(48): Slim\Http\Response->withStatus(0) #2 [internal function]: App\Handlers\Error->__invoke(Object(Slim\Http\Request), Object(Slim\Http\Response), Object(RuntimeException)) #3 /var/www/html/vendor/slim/slim/Slim/App.php(701): call_user_func_array(Object(App\Handlers\Error), Array) #4 /var/www/html/vendor/slim/slim/Slim/App.php(394): Slim\App->handleException(Object(RuntimeException), Object(Slim\Http\Request), Object(Slim\Http\Response)) #5 /var/www/html/vendor/slim/slim/Slim/App.php(297): Slim\App->process(Object(Slim\Http\Request), Object(Slim\Http\Response)) #6 /var/www/html/public/index.php(7): Slim\App->run() #7 {main} thrown in /var/www/html/vendor/slim/slim/Slim/Http/Response.php on line 227