Lipo Error!! can't open input file

Question

My application was working perfectly fine, then I started integrating SDK for push notification and stop the integration in between. I even deleted the SDK from my project a

Answer 1

This happened to me because I'm using cocoapods and the Pods project in the workspace had a different setting for "Build Active Architecture Only" than my main project (YES and NO respectively). When I set both to "NO" I was able to build and run on my device.