ios - CoreData relationship returns a _NSCoreDataTaggedObjectID -


i'm accessing core data object through relationship :

parret.zzone?.libelle 

the first object has to-one relationship second , libelle property of second object.

i'm getting following error: -[_nscoredatataggedobjectid libelle]: unrecognized selector sent instance 0xd00000000e30000c. don't what's private _nscoredatataggedobjectid class , why not getting nsmanagedobject subclass expected ?!


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