Tile World 2 can't load a levels from the command line

[lotu]

I've been messing with Tile World to make an AI for Chip's Challenge as I've mentioned in another thread. I've noticed that, Tile World 2 Segfaults when I provide a *.dac file as a command line argument. This on 64bit linux. Tile World 1 does not do this. Before I go and try and track this down I would like to know if this is a know issue and if possibly someone has a patch for it, or at least knows what the problem is.