duplicate symbols in AdMob

Question

When archiving, such en error occurs:

Projects/Dossier/MultiDocument/Helpers/GAD/libGoogleAdMobAds.a(GADGestureCFiles.o)
    duplicate symbol _tohex in:
             


        

Answer 1

If you can't find any "-all_load" params but also show this error.

you must goto the "project.xcodeproj" and replace "-all_load" with "-ObjC" in "project.pbxproj"