Fatal error: Uncaught Error: Class "MatthiasMullie\Minify\Minify" not found in E:\www\xmvc\v5.0\composer\vendor\matthiasmullie\minify\src\CSS.php:29 Stack trace: #0 {main} thrown in E:\www\xmvc\v5.0\composer\vendor\matthiasmullie\minify\src\CSS.php on line 29