Fatal error: Uncaught Error: Class "pvc\validator\val_tester\callable\CallableTester" not found in I:\www\pvcValidator\src\val_tester\ctype\CTypeTesterDigit.php:17 Stack trace: #0 {main} thrown in I:\www\pvcValidator\src\val_tester\ctype\CTypeTesterDigit.php on line 17