Can't find the errors in tracklist

I am unable to submit this release because of errors in the tracklist
“Some errors were detected in the data you’ve entered. Click on the highlighted tabs and correct any visible errors.”
But I can’t see any errors, anyone that can?

What do you see if you click on the 3rd Tab “Tracklist”?

That tab is what the screenshot is displaying

That’s likely in greyed-out artist credits on the last medium.
For some reason, those aren’t shown are buggy, even though an artist credit is incomplete IIRC.

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