yoast seo 12.8 Problem

Hello everyone, I realize that this is not a forum for my question, but I need help urgently. I upgraded to Yoast Seo 12.8 in early 2020 and now nothing works. I can no longer make any settings. No keywords, no titles. Please help me. Kind regards Thomas from Hello,
sorry i don't know what's happened. But thank you for your comment. And this is my Post.

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