Editing name of an existing topictype failed
Test Situation
- Snapshot used: deepamehta-standard-5-0-SNAPSHOT-2018-06-27-nightly.zip
- OS: Ubuntu 16.04
- Browser: Firefox 60.0.2
What was observed
I had created a topictype as described in #3 (closed). I decided to change the name of the topictype "Farbe". The following error message appeared: