Trigger_word_detection_v2a Typesetting math: 0%

I have a problem with week 3 notebook I cannot save but it runs correctly, I have the impression that it cannot load a file that is called Mathtype something like that. Can someone help me please?

Please share all screenshots that you think helpful to see or diagnose the problem, including any error messages or error icons, or so. Just don’t share the solution code.