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POCore Data Save Error (NSValidationErrorKey, Cocoa error 1570) saving NSDate
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  1. POCore Data Save Error (NSValidationErrorKey, Cocoa error 1570) saving NSDate
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    copied!<p>I'm getting an error with saving to a Core data object in Xcode.</p> <p>Xcode says that the error is in the NSDate variable 'datum' but I have tried almost everything. Error is:</p> <pre><code>2011-07-12 18:01:29.068 WeekLijstje[3205:207] Core Data Save Error NSValidationErrorKey datum NSValidationErrorPredicate (null) NSValidationErrorObject &lt;DagLijst: 0x6e2fcd0&gt; (entity: DagLijst; id: 0x6e2fd30 &lt;x-coredata:///DagLijst/t99F423FC-AAE9-4692-9264-EF0FF7A020572&gt; ; data: { Voedsel = nil; datum = nil; hoeveelheid = 0; punten = 0; }) NSLocalizedDescription:The operation couldn’t be completed. (Cocoa error 1570.) </code></pre> <p>A small code snipet:</p> <pre><code> DagLijst *newDaglijst = [NSEntityDescription insertNewObjectForEntityForName:@"DagLijst" inManagedObjectContext:self.managedObjectContext]; NSDate *selDatum = [NSDate date]; newDaglijst.punten = [NSNumber numberWithInteger:10]; newDaglijst.hoeveelheid = [NSNumber numberWithInt:100]; newDaglijst.Voedsel = geselecteerdVoedsel; newDaglijst.datum = selDatum; NSError *error = nil; if (![newDaglijst.managedObjectContext save:&amp;error]) { ... </code></pre> <p>Also the class of the DagLijst object:</p> <pre><code>@interface DagLijst : NSManagedObject { @private } @property (nonatomic, retain) NSDate * datum; @property (nonatomic, retain) NSNumber * punten; @property (nonatomic, retain) NSNumber * hoeveelheid; @property (nonatomic, retain) Voedsel *Voedsel; @end </code></pre> <p>So you can see that I put an NSDate into the 'datum' variable. But on execution I still get an error.</p>
 

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