Tried what you said, and it does the same thing. Same exact code. Here's a few more lines up (I'm pretty sure that's just from the startup code):
Preparing startup ...
Loading BDF font 'font/Prop-Latin1.bdf'
Loading BDF font font/Prop-Latin1.bdf with 256 characters
Show banner ...
Running world, pause=0, fast forward=0 ...
World destroyed.
Calculating textures ...done
FATAL ERROR: dingliste_t::laden()
During loading: Unknown object type '0'
Abort trap
logout
[Process completed]
Timothy-I have no idea what that means. I'm only a beginner with the game, and even worse with code/debugging.