Fatal error: Uncaught Error: Interface "Psy\EnvInterface" not found in /home/mydemotec/public_html/newedu/vendor/psy/psysh/src/SystemEnv.php:17 Stack trace: #0 {main} thrown in /home/mydemotec/public_html/newedu/vendor/psy/psysh/src/SystemEnv.php on line 17