Fatal error: Trait "Kirby\Cms\HasSiblings" not found in /volume1/web/public/kirbi/kirby-4.1.0/src/Cms/Language.php on line 30

Call Stack:
    0.0002     354040   1. {main}() /volume1/web/public/kirbi/kirby-4.1.0/src/Cms/Language.php:0