CocoaPods libraries errors building for some iOS simulators

Question

Short error:

file was built for archive which is not the architecture being linked (i386)

Expanded:
For some simulators, I receive these e

Answer 1

I found the solution.

I removed the directory /Users/admin/Library/Developer/Xcode/DerivedData/myApp-ekwldvjyuxwkykbareyvvydbtero/Build (right click on the library of CocoaPods > Show in Finder, then find its parent directory) and rebuild all again. Xcode recreated all libraries which works right now. All build preferences are the same as default.