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POCore Data error message
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  1. POCore Data error message
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    copied!<p>I created a Core Data Entity named: "Athlete".</p> <p>Here is the error that I am getting:</p> <pre><code>Terminating app due to uncaught exception 'NSInvalidArgumentException', reason: '+entityForName: nil is not a legal NSManagedObjectContext parameter searching for entity name 'Athlete'' </code></pre> <p>This is the line at where it breaks:</p> <pre><code>Athlete *detail = [NSEntityDescription insertNewObjectForEntityForName:@"Athlete" inManagedObjectContext:context]; </code></pre> <p>delegate.h</p> <pre><code>@property (readonly, strong, nonatomic) NSManagedObjectContext *managedObjectContext; @property (readonly, strong, nonatomic) NSManagedObjectModel *managedObjectModel; @property (readonly, strong, nonatomic) NSPersistentStoreCoordinator *persistentStoreCoordinator; </code></pre> <p>delegate.m</p> <pre><code>-(void)createData{ NSManagedObjectContext *context = [self managedObjectContext]; Athlete *detail = [NSEntityDescription insertNewObjectForEntityForName:@"Athlete" inManagedObjectContext:context]; detail.first = @"Joe"; detail.last = @"Pastrami"; detail.phone = @"(123)456-7891"; NSError *error; if(![context save:&amp;error]){ NSLog(@"Error :("); } NSFetchRequest *request = [[NSFetchRequest alloc] init]; NSEntityDescription *entity = [NSEntityDescription entityForName:@"Athlete" inManagedObjectContext:context]; [request setEntity:entity]; NSArray *arr = [context executeFetchRequest:request error:&amp;error]; for (Athlete *ath in arr){ NSLog(@"Name %@", ath.first); } } - (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions { [self createData]; } </code></pre>
 

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