Pre-upgrade checks?

[dzidek23]

Look here for the pgkdb collation version mismatch

'database "pkgdb" has a collation version mismatch' while upgrading to 5.2

I’m hitting the same issue again. While installing 5.1 the update fails at: Processing triggers for univention-config (16.0.6) ... dpkg-query: no packages found matching ldapacl_66univention-appcenter_app.acl dpkg-query: no packages found matching messages_en.properties dpkg-query: no packages found matching ldapacl_62univention-monitoring.acl dpkg-query: no packages found matching ldapacl_58openid-connect-provider.ldapacl dpkg-query: no packages found matching univention-keycloak dpkg-query: …

But it didn’t work for me

Also (but you might know this already) when searching the forum, start with

this filters a lot of the noise and useless posts