Fatal error: Uncaught Error: Class "pvc\err\stock\LogicException" not found in I:\www\pvcTestingUtils\vendor\pvc\struct\src\tree\err\DeleteInteriorNodeException.php:16 Stack trace: #0 {main} thrown in I:\www\pvcTestingUtils\vendor\pvc\struct\src\tree\err\DeleteInteriorNodeException.php on line 16