Error messages in Compressor for CEA-608 subtitles

Hello everyone

I couldn't find anything about this online, so I'm asking the question here in the community. Starting point: FCP video with CEA-608 subtitles exported to Compressor. No errors are displayed in FCP.

However, when I try to start the batch in Compressor, I get the following error messages. See the screenshots.

But how do I fix the errors? And why are there problems in Compressor now? Everything is fine in FCP. And it works via “Share.”

[Edited by Moderator]

Original Title: Error message in Compressor