Conversion to Dalvik format failed: Unable to execute dex SDK Tools 22.3

Question

Multiple dex files define Lcom/google/ads/AdRequest$ErrorCode

Latest ADT, Latest SDK Tools (22.3).

I Tried :

1. Clean/rebuild
2. Update Eclipse

Answer 1

It's because Google Play Service has google Ads in it. That's why you're having multiple dex error.

http://developer.android.com/reference/com/google/android/gms/ads/AdRequest.html