duplicate symbols for architecture armv7

Question

Getting following error when try to use Layar SDK in my existing app. How can I solve this?

Ld /Users/pnawale/Library/Developer/Xcode/DerivedData/hub-afxxzaq         


        

Answer 1

My problem was... odd. I'm not sure how it happened, but at some point, Xcode decided to include some ancient .m file one more time in its .pbxproj file. The only way I found it was by comparing my changes in git, looking at the version of the code where the build first failed.

Simply removing this line solved my issue: