David, when you change the light dialogs there is a "field count" adjustment you need to do to the light_result/1. You need to increase (or decrease) the number in the 2nd parameter in the split_list/2 call. Check this part of the source code.
If you enter in the Area light dialog and left it hitting OK you must notice a message like this in the Erlang console:
If you enter in the Area light dialog and left it hitting OK you must notice a message like this in the Erlang console:
Quote:Light editor plugin(s) left garbage:
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