Pleasehelp me find out crash reason? I have attached the crash stack.
This is where we write to user defaults
`18 Foundation 0x00000001844fb754 -[NSUserDefaults(NSUserDefaults) setObject:forKey:] + 80
19 ControlFilter 0x000000010054cfd8 -[FilterControlProvider startFilterWithCompletionHandler:] (FilterControlProvider.mm:101)`
Thread 2 of your crash report suggests that you’re using a third-party crash reporter. If so, my advice is that you remove that and see if you can get an Apple crash report for this. My experience is that third-party crash reporters are fundamentally unreliable and so, for gnarly problems like this one, it’s important to work from a ‘clean’ Apple crash report.
When it comes time to post your crash reporte, see Posting a Crash Report for advice on how to do so.
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Quinn “The Eskimo!” @ Developer Technical Support @ Apple
let myEmail = "eskimo" + "1" + "@" + "apple.com"
[1] For the gory details, see Implementing Your Own Crash Reporter.