Frame recursion substitution” with Sony BURANO X-OCN LT 4256 x 3192 PAR 2.0 clips

Premiere is struggling to interpret Sony Burano X-OCN LT PAR 2.0. I’ve read all the other issues that resulted from outdated Premiere versions, or Sony’s best practices for X-OCN LT. None of those resolve my issue. Any one experience this issue yet? Any suggestions? I can create proxies from Davinci if I need to but trying to avoid that workaround. Details below.
 

High Level

• Premiere Pro 25.1.0 “Frame recursion substitution” error.
• Audio renders
• Export render blank videos with working audio
• Media works in DaVinci Resolve, arguably not corrupted
• VENICE II X-OCN anamorphic 2.0 clips also work correctly in Premiere in the same project

Camera specs

• Camera: Sony BURANO
• Codec: X-OCN LT
• Frame size: 4256 x 3192
• Pixel aspect ratio: 2.0
• This appears to be a 4:3 anamorphic capture/desqueeze workflow:
  • 4256 / 3192 = 1.33
  • With PAR 2.0, displayed width would be 8512 x 3192, or approx. 2.67:1 before crop.

Media that works

• Other Sony BURANO X-OCN LT clips in different project work fine but:
  • Dimensions are different 5760 x 3240
  • Pixel aspect ratio is 1.0
  • Not shot anamorphically

This seems like a possible Premiere Pro 25 Sony RAW/X-OCN decode or importer issue specific to:

• Sony BURANO
• X-OCN LT
• 4256 x 3192
• Pixel aspect ratio 2.0 / anamorphic mode

Troubleshooting I’ve already tried

• Cleared Premiere media cache.
• Created a brand-new Premiere project and imported only the problem footage.
• Tried exporting from Premiere; export fails and creates only a 1-second blank file.
• Checked dimensions: no odd-number dimensions; footage is 4256 x 3192.
• Confirmed full camera card/media folder was copied over, not just partial files.
• Tried Modify > Interpret Footage. Manually desqueezed in the sequence.
• Confirmed the same media works in DaVinci Resolve, so the source media appears valid.
• Compared against other working BURANO X-OCN LT files:
  • Working: 5760 x 3240, PAR 1.0
  • Failing: 4256 x 3192, PAR 2.0