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

I have faced this problem once before. The reason is that I copied some methods and variables declared in the implementation body from one class to another. So rename these methods and moved these variable to the interface declaration area => solved.