Fatal error: Uncaught Error: Class "PharIo\Version\AbstractVersionConstraint" not found in I:\www\frameworks\Laravel\vendor\phar-io\version\src\constraints\ExactVersionConstraint.php:13 Stack trace: #0 {main} thrown in I:\www\frameworks\Laravel\vendor\phar-io\version\src\constraints\ExactVersionConstraint.php on line 13