Fatal error: Uncaught Error: Class "Psy\ExecutionClosure" not found in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\psy\psysh\src\ExecutionLoopClosure.php:22 Stack trace: #0 {main} thrown in C:\AppServ\Apache\2.4.58\htdocs\sets\vendor\psy\psysh\src\ExecutionLoopClosure.php on line 22