1 CoreFoundation __exceptionPreprocess + 124 2 libobjc.A.dylib objc_exception_throw + 52 3 CoreFoundation -[NSObject(NSObject) doesNotRecognizeSelector:] + 208 4 CoreFoundation ___forwarding___ + 868 5 CoreFoundation _CF_forwarding_prep_0 + 88 6 KittCore -[WebRequestEventDispatcher onHeadersReceived:withDetails:responseBlock:] (WebRequestEventDispatcher.m:213) 7 KittCore function signature specialization of KittCore.ProtocolHandler.connection (__ObjC.NSURLConnection, didReceiveResponse : __ObjC.NSURLResponse) -> () (ProtocolHandler.swift:502) 8 KittCore @objc KittCore.ProtocolHandler.connection (__ObjC.NSURLConnection, didReceiveResponse : __ObjC.NSURLResponse) -> () (ProtocolHandler.swift:0) 9 CFNetwork __65-[NSURLConnectionInternal _withConnectionAndDelegate:onlyActive:]_block_invoke + 76