Issue conversion E+ prototype school models [closed]

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Hi there, We are trying to convert an old 0.9 E+ prototype school (reference building model) to the latest version. And after the version conversion and some manual changes, the file gives interesting warnings that I just can't figure out what is going on. There's a warning that says controller:outdoorair doesn't have an outsideair system when it actually does have one. and all the nodes connections look good and the same as other systems. I've checked multiple times and still couldn't figure out what goes wrong with this file. it doesn't allow me to attach idf file to unmet hours. Let me know if you have experienced similar issues or if someone's willing to take a look at this model.

If you have successfully converted one file, let me know if it can be shared. Thanks ahead! Xia