Fatal error: Uncaught Error: Class "Psy\ExecutionLoop\AbstractListener" not found in C:\xampp\htdocs\kotsch.tech\kotsch-tech - Kopie (2)\vendor\psy\psysh\src\ExecutionLoop\SignalHandler.php:21 Stack trace: #0 {main} thrown in C:\xampp\htdocs\kotsch.tech\kotsch-tech - Kopie (2)\vendor\psy\psysh\src\ExecutionLoop\SignalHandler.php on line 21