"Main issue"

If you haven't already, check or post on the German boards. I don't speak German, so this is the best I could find in 5 minutes of looking.

https://community.ebay.de/t5/Mitglieder-helfen-Mitgliedern/Ich-m%C3%B6chte-hier-mal-mit-einem-Mitarb...

They also have there own reps there and they seem to comment fairly regularly; (clearly not on all posts). If you post it may (or may not) be better to post on a "work day".