1 CoreFoundation __exceptionPreprocess + 127 2 libobjc.A.dylib objc_exception_throw + 36 3 CoreData _PFFaultHandlerLookupRow + 2202 4 CoreData _PF_ManagedObject_WillChangeValueForKeyIndex + 386 5 CoreData _sharedIMPL_setvfk_core + 128 … 7 KittCore function signature specialization of KittCore.ChromeTab.documentTitle.setter : Swift.String? (ChromeTab.swift:58) 8 KittCore @objc KittCore.ChromeTab.documentTitle.setter : Swift.String? (ChromeTab.swift:0) 9 Foundation _NSSetObjectValueAndNotify + 92 10 KittCore function signature specialization of KittCore.ChromeTab.observeValueForKeyPath (Swift.String?, ofObject : Swift.AnyObject?, change : [Swift.String : Swift.AnyObject]?, context : Swift.UnsafeMutablePointer<()>) -> () (ChromeTab.swift:281) 11 KittCore @objc KittCore.ChromeTab.observeValueForKeyPath (Swift.String?, ofObject : Swift.AnyObject?, change : [Swift.String : Swift.AnyObject]?, context : Swift.UnsafeMutablePointer<()>) -> () (ChromeTab.swift:0) 12 Foundation NSKeyValueNotifyObserver + 260 … 15 KittCore function signature specialization of (extension in KittCore):__ObjC.SAContentWebView.handleEvent (Swift.AnyObject?) -> Swift.Bool (SAContentWebView.swift:150) 16 KittCore @objc (extension in KittCore):__ObjC.SAContentWebView.handleEvent (Swift.AnyObject?) -> Swift.Bool (SAContentWebView.swift:0) 17 KittCore static (extension in KittCore):__ObjC.NSObject.(createCallbackForWebView (__ObjC.SAWebView, forFrame : __ObjC.WebKitFrame) -> @convention(block) (Swift.AnyObject?, Swift.AnyObject?) -> Swift.AnyObject?).(closure #1).(closure #1) (NSObject+JavaScriptContext.swift:54) 18 KittCore partial apply forwarder for static (extension in KittCore):__ObjC.NSObject.(createCallbackForWebView (__ObjC.SAWebView, forFrame : __ObjC.WebKitFrame) -> @convention(block) (Swift.AnyObject?, Swift.AnyObject?) -> Swift.AnyObject?).(closure #1).(closure #1) (NSObject+JavaScriptContext.swift:0) 19 libdispatch.dylib _dispatch_call_block_and_release + 8 … 28 AdblockBrowser main (AppDelegate.swift:13) 29 libdyld.dylib start + 0