Fatal error: Uncaught TypeError: Argument 1 passed to Slim\App::finalize() must implement interface Psr\Http\Message\ResponseInterface, null given, called in /var/websites/raadcms-west-betuwe.gemeenteoplossingen.nl/vendor/slim/slim/Slim/App.php on line 317 and defined in /var/websites/raadcms-west-betuwe.gemeenteoplossingen.nl/vendor/slim/slim/Slim/App.php:607 Stack trace: #0 /var/websites/raadcms-west-betuwe.gemeenteoplossingen.nl/vendor/slim/slim/Slim/App.php(317): Slim\App->finalize(NULL) #1 /var/websites/raadcms-west-betuwe.gemeenteoplossingen.nl/src/index.php(30): Slim\App->run() #2 /var/websites/raadcms-west-betuwe.gemeenteoplossingen.nl/html/index.php(24): unknown() #3 {main} thrown in /var/websites/raadcms-west-betuwe.gemeenteoplossingen.nl/vendor/slim/slim/Slim/App.php on line 607