I can build and run my app on my device, but when I tried to build archive, I got many errors. The errors are about my 3rd library - google protobuf. It showed that #error H
You can see reasons for failure in Report Navigator present in Navigator window.
Menu -> View -> Navigator -> Hide/Show Navigator
Extra icon will appear/disappear next to Breakpoint icon after Hide/Show Navigator
Open Report Navigator by pressing last button present on list of buttons in Navigator window.
Here you can view reasons either By Group or By Time.