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I'm using some core-data entities in a method that is concurrent, (it's in a NSInocationOperation object)... and I'm getting this error:

CoreData: error: NULL _cd_rawData but the object is not being turned into a fault

How to avoid this? The method just does some calculation with the core data values, no new entities are added , no entities are deleted and none are modified ...

user1028028
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  • If I say [RTFM](http://developer.apple.com/library/ios/#documentation/cocoa/conceptual/CoreData/Articles/cdConcurrency.html) and then add a smiley face will that make it better? :) – Joe Jan 15 '13 at 18:13
  • Well, I'm getting same errors. I've read that many times, but doesn't help much, as I'm using MagicalRecord and always using saveWithBlock static method to provide me with context. – Legoless Aug 15 '13 at 02:56

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