Whaat's BoolTools is inexpensive and an excellent alternative
http://forums.sketchucation.com/viewtopic.php?t=15134
Or this free version that's still in Beta...
http://forums.sketchucation.com/viewtopic.php?f=323&t=14773&hilit=Boolean
straight from the top... ^^^^^ thanks John...
have you started a thread for your error? I'm sure the folks at IDX are either working on this or want to know about it.