Fatal error: Uncaught Error: Interface "Psr\Container\ContainerExceptionInterface" not found in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\dependency-injection\Exception\ExceptionInterface.php:22 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\cms_upgrade\vendor\symfony\dependency-injection\Exception\ExceptionInterface.php on line 22