1	CoreFoundation	__exceptionPreprocess + 132
2	libobjc.A.dylib	objc_exception_throw + 56
3	CoreData	_PFFaultHandlerLookupRow + 1868
4	CoreData	_PF_ManagedObject_WillChangeValueForKeyIndex + 476
5	CoreData	_sharedIMPL_setvfk_core + 164
…
7	KittCore	function signature specialization <Arg[0] = Owned To Guaranteed> of KittCore.ChromeTab.URL.didset : __ObjC.NSURL? (ChromeTab.swift:47)
8	KittCore	@objc KittCore.ChromeTab.URL.setter : __ObjC.NSURL? (ChromeTab.swift:0)
9	KittCore	function signature specialization <Arg[0] = Owned To Guaranteed, Arg[1] = Owned To Guaranteed, Arg[2] = Owned To Guaranteed> of KittCore.ChromeTab.observeValueForKeyPath (Swift.String?, ofObject : Swift.AnyObject?, change : [Swift.String : Swift.AnyObject]?, context : Swift.UnsafeMutablePointer<()>) -> () (ChromeTab.swift:284)
10	KittCore	@objc KittCore.ChromeTab.observeValueForKeyPath (Swift.String?, ofObject : Swift.AnyObject?, change : [Swift.String : Swift.AnyObject]?, context : Swift.UnsafeMutablePointer<()>) -> () (ChromeTab.swift:0)
11	Foundation	NSKeyValueNotifyObserver + 336
…
14	KittCore	-[SAContentWebView setCurrentURL:] (SAContentWebView.m:120)
15	Foundation	_NSSetObjectValueAndNotify + 136
16	KittCore	-[SAContentWebView queryDocumentInWebView:] (SAContentWebView.m:537)
17	KittCore	__41-[SAContentWebView webViewDidFinishLoad:]_block_invoke (SAContentWebView.m:393)
18	libdispatch.dylib	_dispatch_client_callout + 12
…
27	AdblockBrowser	main (AppDelegate.swift:13)
28	libdyld.dylib	start + 0