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This wouldn't be a permanent solution, but what happens when you set your resolution to .01?

The measure of progress that DWA uses is how many grid cells closer to the goal did you get on this move. That means you're occasionally at the mercy of the resolution. If you're not moving fast enough to get out of the cell, there will be no viable trajectories that go anywhere.

This is a bad implementation and I'm working on fixing it, but for now try the resolution change to see if that gets you anywhere.