Fatal error: Uncaught Error: Interface "Psy\Completion\Source\SourceInterface" not found in C:\Apache24\htdocs\Quality_Endline\Endline\vendor\psy\psysh\src\Completion\Source\ClassConstantSource.php:23 Stack trace: #0 {main} thrown in C:\Apache24\htdocs\Quality_Endline\Endline\vendor\psy\psysh\src\Completion\Source\ClassConstantSource.php on line 23