Fatal error: Uncaught Error: Interface "Psr\Cache\InvalidArgumentException" not found in E:\www\frey\qgmvc\v1.0\composer\vendor\symfony\cache\Exception\InvalidArgumentException.php:22 Stack trace: #0 {main} thrown in E:\www\frey\qgmvc\v1.0\composer\vendor\symfony\cache\Exception\InvalidArgumentException.php on line 22