Fatal error: Uncaught Error: Class "Psy\Exception\RuntimeException" not found in D:\Apache24\www\silian\back-end\vendor\psy\psysh\src\Exception\InvalidManualException.php:17 Stack trace: #0 {main} thrown in D:\Apache24\www\silian\back-end\vendor\psy\psysh\src\Exception\InvalidManualException.php on line 17