Hi @MingboPeng,
I opened the cluster. There were no errors inside.
Hereby the .osm file.
unnamed.osm (395.7 KB)
Hi @MingboPeng
I just ran your file on a new computer with all software newly installed. Now there were no errors given.
So I think I have to reinstall the latest version of Ironbug and use Openstudio 2.8.
Thanks for sending the simple model!
… Now it works on both computers! 