Resolve 15.1.0.025 unable to process MXF file

Just update to DaVinic Resolve 15.0.025 and tried to edit a Sony Z150 MXF video file and its shown as a "offline file"? I could edit these on DaVinic Resolve 14, what happened?
https://forum.blackmagicdesign.com/
https://forum.blackmagicdesign.com/viewtopic.php?f=21&t=80817