i added new framework(3rd party) and build.
Unfortunately, since the execution was not.
How do I solve this problem? The whole four nights were spent.:(
Had the same problem and none of these answers fix it for me.
Problem was Pod project in workspace had the following config:
Build Active Architecture Only: YES
For that reason, when I wanted to build for i386 (Simulator), XCode did not build Pods projects, so it could not meet dependencies. As soon as I changed it to NO
it started working