A question about RoomAirFlowNetwork

edit

Hello everyone， I want to simulation a large-high space with natural ventilation, so i choose the method pf RoomAirFlowNetwork. The Model is like this: I build this model with IdeaLoadAirSystem, and all of zones using AFN. The detailed informations are as follows：

I tried to run this idf, but encountered the following problems:

How can I solve this problem? Thanks for your help！