Class _NSZombie__GEOTileKeyWrapper is implemented in both ?? and ??. One of the two will be used. Which one is undefined

Tuyen Nguyen picture Tuyen Nguyen · Apr 18, 2012 · Viewed 9.5k times · Source

I have this message while debugging my app:

Class NSZombie_GEOTileKeyWrapper is implemented in both ?? and ??. One of the two will be used. Which one is undefined.

Do you know what is this? And how to fix it?

Answer

Ankit Srivastava picture Ankit Srivastava · Apr 18, 2012

This happens when you have two implementations of the same class and Obj-c runtime is unable to decide which one to use... you can refer this great answer by Justin.. there are some real amazing guys on stack overflow.. don't forget to vote up his answer if it helps you.. happy coding :D