Fatal error: Uncaught Error: Interface 'PharIo\Manifest\Requirement' not found in D:\svn\bitfx\vendor\phar-io\manifest\src\values\PhpExtensionRequirement.php:13 Stack trace: #0 {main} thrown in D:\svn\bitfx\vendor\phar-io\manifest\src\values\PhpExtensionRequirement.php on line 13