In the future please use the Software Support post template for these kinds of posts. You can see that I have edited it in for you this time and you can fill in missing information by editing your post.
desc is not a valid entity for raw data (those that would be input to fMRIPrep). Have you considered using the acq-<> entity instead?
I tried “acq-<>” and “rec-<>”, but the same error shows. I think I may try to expand the task-<> tag to include the flag I want, like …task-cog-mbar_run-X…
This is data with mutltiband artifact correction, which is run first before any other preprocessing.