Fatal error: Uncaught InvalidArgumentException: Invalid HTTP status code. in /home/users/lukana/public_html/polskieszlaki/strony/vendor/slim/psr7/src/Response.php:191 Stack trace: #0 /home/users/lukana/public_html/polskieszlaki/strony/vendor/slim/psr7/src/Response.php(126): Slim\Psr7\Response->filterStatus(0) #1 /home/users/lukana/public_html/polskieszlaki/strony/vendor/slim/psr7/src/Factory/ResponseFactory.php(27): Slim\Psr7\Response->__construct(0) #2 /home/users/lukana/public_html/polskieszlaki/strony/vendor/slim/slim/Slim/Handlers/ErrorHandler.php(348): Slim\Psr7\Factory\ResponseFactory->createResponse(0) #3 /home/users/lukana/public_html/polskieszlaki/strony/vendor/slim/slim/Slim/Handlers/ErrorHandler.php(178): Slim\Handlers\ErrorHandler->respond() #4 /home/users/lukana/public_html/polskieszlaki/strony/vendor/slim/slim/Slim/Middleware/ErrorMiddleware.php(127): Slim\Handlers\ErrorHandler->__invoke(Object(Slim\Psr7\Request), Object(InvalidArgumentException), true, false, false) #5 /home/users/lukana/public_html/polskie in /home/users/lukana/public_html/polskieszlaki/strony/vendor/slim/psr7/src/Response.php on line 191