Resolve 17.2 can't embed capitions mfx files

Hi all, after update to 17.2 i can't embed captons on MXF OP1A files with XDCAM MPEG2, the only option pops up is, As a separate file or Burn into video. Can anyone help me??
https://forum.blackmagicdesign.com/
https://forum.blackmagicdesign.com/viewtopic.php?f=21&t=141734