Due to a recent change in univention-keycloak, it tries to converts a value read from UCR to lowercase. This causes a crash in Nubus, due to not having UCR.
Package: univention-keycloak Version: 3.0.25 Branch: ucs_5.2-0-errata5.2-0 Scope: errata5.2-0
<https://errata.software-univention.de/#/?erratum=5.2x28>