problem with importing

[dsay]

If I add oauthconsumer a project to get errors in NSZone NSObject
what could be the problem ???

[FiveFlamesMobile]

I'm also having problems when importing OAuthConsumer into my project, I'm unable to compile the project due to "Undefined symbols not found" using XCode 4.3.2.

Undefined symbols for architecture armv7:
"OBJC_CLASS$_OAConsumer", referenced from:
objc-class-ref in GSTwitPicEngine.o
objc-class-ref in SA_OAuthTwitterEngine.o
objc-class-ref in Foursquare.o
"OBJC_CLASS$_OARequestParameter", referenced from:
objc-class-ref in OARequestHeader.o
objc-class-ref in SA_OAuthTwitterEngine.o
objc-class-ref in Foursquare.o
"OBJC_CLASS$_OAMutableURLRequest", referenced from:
objc-class-ref in SA_OAuthTwitterEngine.o
objc-class-ref in Foursquare.o
"OBJC_CLASS$_OAHMAC_SHA1SignatureProvider", referenced from:
objc-class-ref in OARequestHeader.o
"OBJC_CLASS$_OAToken", referenced from:
objc-class-ref in SA_OAuthTwitterEngine.o
objc-class-ref in Foursquare.o
"OBJC_CLASS$_OADataFetcher", referenced from:
objc-class-ref in SA_OAuthTwitterEngine.o
ld: symbol(s) not found for architecture armv7
clang: error: linker command failed with exit code 1 (use -v to see invocation)

Could someone help me?