Why am I seeing "No matches found or no lookup performed" Trados 2022

I have recently seen this popping up almost all the time. I have uninstalled and reinstalled and I'm still getting it. Trados isn't even spotting repeat text a few lines apart in a document. So basically Trados is not doing what I pay it to do, unless I receive packages from a client. I'm pulling my hair out! Any ideas? I've looked on the web but can't find anything for Trados 2022 so when I try to follow suggestions I can't because the set-up isn't quite the same.

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