MXF media won't load in Premiere Pro 15-then crashes

[Roche1061]

When trying to open an existing Project from 14.9, all other media loads except for MXF files. (mogrts-mp4-.mov-stills and audio are all fine) Won't import MXF files into a newly created project either. Everything was working fine until the 15 upgrade.

I'm using a MacBookPro with Big Sur.

Any help is appreciated.  Thank you!

[MyerPj]

Can you try creating a NEW project in 15.0 and IMPORT in the existing project... see if that works.

[Roche1061]

Thanks for the suggestion-but instant beachball! I'll keep my ears peeled and see if Adobe can help. In the meantime, 14.9 still works like a charm so at least I can still work too!