Structured approach to Investigate and Correct Weird Firefox/Addons - (keepass issuing codes for opened kee code input window-> entering that only to open new kee window and all this repeating few times until the code is finally accepted in Kee

The source map error should cause no problems (unless you are trying to debug the stable version of Kee) and in any case should be resolved in the next release - see https://github.com/kee-org/browser-addon/issues/121

I think you are saying that you have a problem with the way Kee works on Intel.com though? If so, please can you provide more information and some detailed steps to reproduce the problem you see… after looking at the relevant part of the troubleshooting guide of course.