Why does an error occur when generating an OpenCV build for Qt on Windows 10?

Question

Qt

I'm trying to install OpenCV under QT on Windows. The configuration was successful. I click on Generate and at the end of the process a window opens:
Also, at the end of the log, the following message appears:

All text of the log:
https://pastebin.com/qkmtsc8e
This is rather strange, because I added the compiler to the Path and made all the necessary settings during the configuration . I did everything according to these guides:
https://habr.com/ru/post/318846/
https://evileg.com/ru/post/370/