Undefined symbols for architecture armv7:

我在集成TalkingData到我项目的ios端的时候编译时候出现这个问题
Undefined symbols for architecture armv7:
OBJC_CLASS_TDGAItem", referenced from: objc-class-ref in libluabindings iOS.a(TDCCItem.o) "_OBJC_CLASS__TDGAVirtualCurrency”, referenced from:
objc-class-ref in libluabindings iOS.a(TDCCVirtualCurrency.o)
OBJC_CLASS_TDGAMission", referenced from: objc-class-ref in libluabindings iOS.a(TDCCMission.o) "_OBJC_CLASS__TalkingDataGA”, referenced from:
objc-class-ref in libluabindings iOS.a(TDCCTalkingDataGA.o)
OBJC_CLASS$_TDGAAccount”, referenced from:
objc-class-ref in libluabindings iOS.a(TDCCAccount.o)
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)
在网上搜了很多解决方法都没用。。。不知道问题出在哪里啊