a half-broken LDAP-configuration should give a meaningful error-message

[EmilObermayr]

Steps to reproduce

1. use the app "LDAP Integration"
2. have two configurations
3. change one and forget to change the other one

Expected behaviour

A meaningful error message about the broken part of the configuration

Actual behaviour

just an "internal server error" when users try to connect

List of activated apps:

LDAP Integration 0.11.0

[ownclouders]

GitMate.io thinks possibly related issues are #26902 (error), #28840 (-Error-), #13402 (... broken), #13087 (Error messages), and #29082 (a Error).

[stale]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed in 10 days if no further activity occurs. Thank you for your contributions.