Fatal error: Uncaught Error: Class 'PharIo\Version\AbstractVersionConstraint' not found in E:\xampp\htdocs\www\key1\vendor\phar-io\version\src\OrVersionConstraintGroup.php:13 Stack trace: #0 {main} thrown in E:\xampp\htdocs\www\key1\vendor\phar-io\version\src\OrVersionConstraintGroup.php on line 13