HTTP 500 Fehler

Im Vorab, cih weiß, was für ein Fehler HTTP 500 ist.
Nun, was macht man mit der Meldung?

Application error

The OpenStreetMap server encountered an unexpected condition that prevented it from fulfilling the request (HTTP 500)

Feel free to contact the OpenStreetMap community if your problem persists. Make a note of the exact URL / post data of your request.

This may be a problem in our Ruby On Rails code. 500 occurs with exceptions thrown outside of an action (like in Dispatcher setups or broken Ruby code)

Ich kann kein Potlatch2 mehr starten...