Warning: call_user_func_array() expects parameter 1 to be a valid callback, no array or string given in /var/www/vhosts/ns3928737.ip-54-36-126.eu/httpdocs/beta/vendor/slim/slim/Slim/App.php on line 608

Catchable fatal error: Argument 1 passed to Slim\App::finalize() must implement interface Psr\Http\Message\ResponseInterface, null given, called in /var/www/vhosts/ns3928737.ip-54-36-126.eu/httpdocs/beta/vendor/slim/slim/Slim/App.php on line 339 and defined in /var/www/vhosts/ns3928737.ip-54-36-126.eu/httpdocs/beta/vendor/slim/slim/Slim/App.php on line 534