Uncaught Error when creating approval via API

[omani]

request.CRITICAL: Uncaught PHP Exception Error: "Class "KimaiPlugin\ApprovalBundle\API\ConfigEnum" not found" at ApprovalBundleApiController.php line 101 {"exception":"[object] (Error(code: 0): Class \"KimaiPlugin\\ApprovalBundle\\API\\ConfigEnum\" not found at /opt/kimai/var/plugins/ApprovalBundle/API/ApprovalBundleApiController.php:101)"} {"channel":"request"}
kimai-1  | localhost:8001 172.18.0.1 - - [19/Mar/2026:15:05:25 +0100] "POST /api/approval-bundle/add_to_approve?user=1&date=2026-04-06 HTTP/1.1" 500 408 "http://localhost:8001/api/doc" "Mozilla/5.0 (X11; Linux x86_64; rv:142.0) Gecko/20100101 Firefox/142.0"

but it does show up on the UI (Hours approval). So it gets created but the return error is 500 (Internal Server Error).

fyi.