Fatal error: Uncaught Error: Class "Kirby\Session\SessionStore" not found in /volume1/web/public/kirbi/kirby-4.1.0/src/Session/FileSessionStore.php on line 20

Error: Class "Kirby\Session\SessionStore" not found in /volume1/web/public/kirbi/kirby-4.1.0/src/Session/FileSessionStore.php on line 20

Call Stack:
    0.0158     354296   1. {main}() /volume1/web/public/kirbi/kirby-4.1.0/src/Session/FileSessionStore.php:0