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POClass is not key value coding-compliant
 

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    <p>I know the meaning of this error, but I'm really struggling with it, and I need someone's help :</p> <pre><code>2010-09-21 15:03:11.562 Stocks[5605:207] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[&lt;NSObject 0x499fb20&gt; setValue:forUndefinedKey:]: this class is not key value coding-compliant for the key actionText.' </code></pre> <p>There is my code here :</p> <h3>AlertCell.h</h3> <pre><code>#import &lt;UIKit/UIKit.h&gt; #import &lt;Foundation/Foundation.h&gt; @interface AlertCell : UITableViewCell { IBOutlet UILabel *actionText; } @property (retain, nonatomic) UILabel *actionText; @end </code></pre> <p>And </p> <h3>AlertCell.m</h3> <pre><code>@implementation AlertCell @synthesize actionText; - (void)dealloc { [actionText release]; [super dealloc]; } @end </code></pre> <p>The problem happens just there :</p> <pre><code>- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath { static NSString *CellIdentifier = @"Cell"; AlertCell *cell = (AlertCell *)[tableView dequeueReusableCellWithIdentifier:CellIdentifier]; if (cell == nil) { NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"AlertCell" owner:nil options:nil]; for (id oneObject in nib) { if ([oneObject isKindOfClass:[UITableViewCell class]]) { cell = (AlertCell *)oneObject; break; } } } cell.actionText.text = [arrayAlert objectAtIndex:indexPath.row]; return cell; } </code></pre> <p>On this line :</p> <pre><code>NSArray *nib = [[NSBundle mainBundle] loadNibNamed:@"AlertCell" owner:nil options:nil]; </code></pre> <p>As asked, here is my header for the TableViewCOntroller : </p> <pre><code>#import &lt;UIKit/UIKit.h&gt; @interface AlertesViewController : UITableViewController { NSMutableArray *arrayAlert; } </code></pre> <p>And you can see my XIB file (as XML): <a href="http://pastebin.com/FDVzLYZu" rel="noreferrer">http://pastebin.com/FDVzLYZu</a></p> <p>@end</p> <p>Can anyone help me ? Thanks a lot !</p>
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    1. USRob
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    1. COCan you show your header file for your `UITableViewController` as well? I suspect that you are setting the wrong object as "File's Owner" for the `AlertCell`
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    2. CODone. Thanks falconcreek !
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