Trados freezes in Review when the segments contain symbols

Hello, 

I have Trados 2022 Freelance version. I usually use the Review section to review my translated documents, but I often encounter the same problem. Trados usually freezes at certain segments, but I have noticed that those segments contain symbols like < > (see the attached picture), and most of the time, I receive an error (today the error was the one in the picture). The documents are converted from PDF with ABBYY FineReader 15 (maybe this information is important).

What I have tried: I reinstalled windows and Trados, created a new translation memory and imported the old memory to the new one, uploaded the document again with a new name. Unfortunately, nothing changes. The Review section always freezes Trados when I click those segments.

Is there a way to avoid these situations in the future? 

Thank you!

 

    

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