BUG - cannot delete LDAP connectors

I am trying to delete LDAP conectors but am being stopped from doing this by an errors saying they are in use. I am pretty sure I deleted them from everywhere. I am having trouble deleting 2 users and 2 groups. The question is how to figure out where these LDAP connectos are still in use:

Trying to delete 2 particular groups:


Cannot disable the LDAP connectors either.

Can you again send all logs from eramba_v2/app/tmp/logs to our email support@eramba.org?