I understood. This is because I use windows 7, not windows 10! I tried to package project on another PC with windows 10 and all worked! Epic games probably stopped supporting windows 7. So upgrade your PC to windows 10 if you have this problem!
I understood. This is because I use windows 7, not windows 10! I tried to package project on another PC with windows 10 and all worked! Epic games probably stopped supporting windows 7. So upgrade your PC to windows 10 if you have this problem!