Problem exporting Premiere Pro Sequence in ME that includes videos with captions

I am using Premiere Pro 22.1.2 (Build 1) and Media Encoder 22.1.1 (Build 25), Windows 10-Pro, but this problem has been happening over several years and several major versions. My co-workers have the same problem.

Problem:

If I use a clip in a Premiere pro sequence that already includes captions, when I go to export the sequence in Media Encoder, Media encoder starts, but never encodes any video. The status says "Encoding" but the progress bar stays empty and there is no time estimate given. The encode never finishes even after leaving it alone for many days. There is never an output file created, even with zero size. Task manager shows Media Encoder using 0% CPU and no disk time.

The source files that contain captions are .mxf op1a XDcam. They contain 608 and 708 captions.

I am wanting to output to the same file type. The problem happens whether or not I select captions to be embedded on the output file.

If I directly export out of Premiere there are no problems. It only ties up the editor and keeps me from doing something else while it is exporting.