Return of Reckoning

You can close this one, I found something that worked in another thread:

http://www.returnofreckoning.com/forum/ ... f=4&t=6140

Thanks anyways :>

Hey guys,

I've been getting this error for half an hour now, tried everything I found on this board... But I did not find any search option for the forum, so maybe I did not see the answer for my problem.
Anyways, this is my error:

Data.myp:

System.InvalidOperationException: Die Kategorie ist ...