Fatal error: Uncaught Error: Trait "PHPStan\PhpDocParser\Ast\NodeAttributes" not found in C:\wamp64\houda\vendor\phpstan\phpdoc-parser\src\Ast\PhpDoc\AssertTagPropertyValueNode.php:9 Stack trace: #0 {main} thrown in C:\wamp64\houda\vendor\phpstan\phpdoc-parser\src\Ast\PhpDoc\AssertTagPropertyValueNode.php on line 9