I have a multi-story building and simulating the last two levels, but when run the simulation get an error every time saying the X zone not convex in full interior and exterior and you can switch it off. and if I switch them off the simulation works but cannot turn them off since they are the main zones for this simulation. I also tried to merge the zones but the same error pops up every time, also tried to change the openings and doors yet the same error pops up again and again.
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