Fatal error: Uncaught Error: Interface "SebastianBergmann\Diff\Exception" not found in C:\xampp\htdocs\kotsch.tech\kotsch-tech - Kopie (2)\vendor\sebastian\diff\src\Exception\InvalidArgumentException.php:12 Stack trace: #0 {main} thrown in C:\xampp\htdocs\kotsch.tech\kotsch-tech - Kopie (2)\vendor\sebastian\diff\src\Exception\InvalidArgumentException.php on line 12