Fatal error: Uncaught Error: Interface "SebastianBergmann\ObjectEnumerator\Exception" not found in C:\mywamp\sites\allsite\calcomposer\vendor\sebastian\object-enumerator\src\InvalidArgumentException.php:13 Stack trace: #0 {main} thrown in C:\mywamp\sites\allsite\calcomposer\vendor\sebastian\object-enumerator\src\InvalidArgumentException.php on line 13