Fatal error: Uncaught Error: Class "Kirby\Cms\Blueprint" not found in /volume1/web/public/kirbi/kirby-4.1.0/src/Cms/PageBlueprint.php on line 14

Error: Class "Kirby\Cms\Blueprint" not found in /volume1/web/public/kirbi/kirby-4.1.0/src/Cms/PageBlueprint.php on line 14

Call Stack:
    0.0002     352616   1. {main}() /volume1/web/public/kirbi/kirby-4.1.0/src/Cms/PageBlueprint.php:0