环信_iOS iOS

在集成环信的UI的出现_OBJC_CLASS_xxx错误与大家共勉,有没有遇到相似的错误,见下面图片

报错如下:
"_ACAccountTypeIdentifierTwitter", referenced from:

-[PF_Twitter getLocalTwitterAccountAsync] in Parse(PF_Twitter.o)

"_OBJC_CLASS_$_ACAccountStore", referenced from:

objc-class-ref in Parse(PF_Twitter.o)

"_OBJC_CLASS_$_SKPayment", referenced from:

objc-class-ref in Parse(PFPurchase.o)

"_OBJC_CLASS_$_SKPaymentQueue", referenced from:

objc-class-ref in Parse(PFPurchase.o)

"_OBJC_CLASS_$_SKProductsRequest", referenced from:

objc-class-ref in Parse(PFPurchase.o)

"_OBJC_CLASS_$_SLComposeViewController", referenced from:

objc-class-ref in Parse(PF_Twitter.o)

"_OBJC_CLASS_$_SLRequest", referenced from:

objc-class-ref in Parse(PF_Twitter.o)

"_SLServiceTypeTwitter", referenced from:

-[PF_Twitter getAccessTokenForReverseAuthAsync:localTwitterAccount:] in Parse(PF_Twitter.o)

-[PF_Twitter getLocalTwitterAccountAsync] in Parse(PF_Twitter.o)

ld: symbol(s) not found for architecture x86_64

clang: error: linker command failed with exit code 1 (use -v to see invocation)