Rudder

After clicking twice in a row on rollbacking after an event, I got an error

[2020-11-04 20:29:20+0100] INFO  git-policy-archive - Importing technique library archive with id '024c69a42a23d1cea06c1c
51586124fa622297f6'
[2020-11-04 20:29:21+0100] INFO  git-policy-archive - Importing full archive with id '024c69a42a23d1cea06c1c51586124fa622
297f6'
[2020-11-04 20:29:21+0100] INFO  git-policy-archive - Importing rules archive with id '024c69a42a23d1cea06c1c51586124fa62
2297f6'
[2020-11-04 20:29:21+0100] INFO  git-policy-archive - Importing rule categories archive with id '024c69a42a23d1cea06c1c51
586124fa622297f6'
[2020-11-04 20:29:21+0100] INFO  git-policy-archive - Importing technique library archive with id '024c69a42a23d1cea06c1c
51586124fa622297f6'
[2020-11-04 20:29:22+0100] ERROR com.normation.rudder.repository.ldap.ImportTechniqueLibraryImpl - Error when trying to load archived active technique library. Rollbaching to previous one.
[2020-11-04 20:29:22+0100] ERROR com.normation.rudder.rest.RestUtils - "Error when performing eventlog's rollback with id '2334' <- Error when swapping serialised library and existing one in LDAP <- Error when trying to restore archive with ID '2020-11-04T20:29:22.069+01:00' for the active technique library <- Error when persisting User Policy entry with DN 'activeTechniqueId=19c22bfd-16dc-468f-a575-3215f28c2c1f,techniqueCategoryId=ncf_techniques,techniqueCategoryId=Active Techniques,ou=Rudder,cn=rudder-configuration' in LDAP <- BackendException: Error when doing action 'add' with and LDIF change request: null; cause was: com.unboundid.ldap.sdk.LDAPException: no such object \n -> com.normation.ldap.sdk.RwLDAPConnection.$anonfun$applyAdd$2(LDAPConnection.scala:568)\n -> com.normation.ldap.sdk.RwLDAPConnection.$anonfun$applyMod$1(LDAPConnection.scala:513)" 
[2020-11-04 20:29:24+0100] INFO  git-policy-archive - Importing groups archive with id '024c69a42a23d1cea06c1c51586124fa622297f6'
[2020-11-04 20:29:27+0100] INFO  git-policy-archive - Importing Parameters archive with id '024c69a42a23d1cea06c1c51586124fa622297f6'

Rudder is totally broken after that

⇨ Policy update error for process '844' at 2020-11-04 20:29:52 
⇨  Cannot build Rule vals 
⇨  Could not find configuration vals 
⇨  Cannot find directive with id 'dsc-common-all' when building rule 'Rudder system policy: base configuration for DSC based agent' (dsc-agent-all) 
⇨  Cannot find directive with id 'common-root' when building rule 'Rudder system policy: basic setup (common)' (hasPolicyServer-root) 
⇨  Cannot find directive with id 'root-distributePolicy' when building rule 'Rudder system policy: Distribute Policy' (root-DP) 
⇨  Cannot find directive with id 'server-roles-directive' when building rule 'Rudder system policy: Server roles' (server-roles) 
⇨  Cannot find directive with id 'inventory-all' when building rule 'Rudder system policy: System daily inventory' (inventory-all)

trying to restore from event log to a previous step fails with

Rollback failed : Error when performing eventlog's rollback with id '2354' <- Error when trying to get Git Commit for modification ID '6e866fb0-bdd1-43e5-8954-eaa93401a7ed'. Cause was: UnexpectedContinuation$: Expected ResultSet exhaustion, but more rows were available.