Fatal error: Uncaught Error: Interface "Psy\Completion\Source\SourceInterface" not found in /opt/lampp/htdocs/msjvendor/vendor/psy/psysh/src/Completion/Source/PropertySource.php:22 Stack trace: #0 {main} thrown in /opt/lampp/htdocs/msjvendor/vendor/psy/psysh/src/Completion/Source/PropertySource.php on line 22