ios - "Core Data could not fulfill a fault for..." -

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my app in app store now. 2 users got lot of crashes. track them crashlytics. screenshots issue following:

enter image description here

enter image description here

core data not fulfill fault for... wlwishlist

what mean? sth wrong wlwishlist or objects relationships wlwishlist?

can me debug this?

below line 82 file when crash appeared:

enter image description here

that nsobjectinaccessibleexception should give clue, should coredata not fulfill fault ... /wlwishlist/.... somewhere create instance of wlwishlist nsmanagedobject subclass. might creating instance directly or perhaps related entity other managed object. particular instance fault; it's properties have not yet been loaded persistent store should retrievable on demand. expected persistent store able fulfill fault , provide values of object's properties. in case not possible , persistent store throws exception.

one way might happen if attempt fulfill fault object has been deleted persistent store. without knowing more application doing it's impossible how got situation.


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