unable to save a UV Face Layout

In the past, I’ve been able to stick seams throughout my model, UV Map it with LSCM, then save the UV Face Layout with the Save UV Face Layout option.

With my most recent model however, whenever I try to save this layout it says:
ERROR: Python Script Error Check Console
or something like that.

I check the console and it says:
Traceback (most recent call last):
File “<string>”, line 132, in bevent
IndexError: list index out of range

Any ideas what might be causing the problem, and how I might go about fixing it?

Thanks

You must still be using 2.41; the script has been updated in 2.42.

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That worked! Thanks