Fatal error: Uncaught Error: Class "PharIo\Version\AbstractVersionConstraint" not found in C:\svn\conexerp\vendor\phar-io\version\src\constraints\SpecificMajorAndMinorVersionConstraint.php:12 Stack trace: #0 {main} thrown in C:\svn\conexerp\vendor\phar-io\version\src\constraints\SpecificMajorAndMinorVersionConstraint.php on line 12