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    <p>There is a simple explanation at the end of this answer, but I've seen a few similar questions recently so I thought I'd give a bit of background. </p> <p>The error should also be telling you <em>which</em> key the class is not key value coding compliant for. The phrasing of your question suggests that you think there is some general bit of code you can add to make a class "key value coding compliant". This isn't the case. </p> <p>All cocoa / cocoa touch objects are capable of performing key value coding operations. KVC allows you to reach accessor methods by using <code>valueForKey:</code> or <code>setValue:forKey:</code> instead of using the accessor methods directly. </p> <p>The error you are seeing will be along the lines of:</p> <blockquote> <p>XXX - this class is not key value coding compliant for key YYY. </p> </blockquote> <p>XXX is the class in question, YYY is the key. So somewhere, <code>[xxx setValue:something forKey:@"YYY"]</code> is being called. </p> <p>At this point, you're thinking "but I've never used <code>setValue:forKey</code> in my code!". You may be right. But it <em>is</em> used by the frameworks when you load a xib file - all the outlets are set using key-value coding. </p> <p>So, you will have an outlet in your xib that is connected to something that has since been removed or renamed in the class it links to. If you're lucky, it will have a little exclamation mark next to it. If you're not, you won't even see it in interface builder and you'll have to edit the xib as source code and remove it from the XML. </p>
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    1. COVery true. I found this link helped me accomplish exactly what I was looking to do:http://stackoverflow.com/questions/5413949/loading-uiview-from-a-nib-file-without-guesswork
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Guidance
A row detail

Detail views are divided into sections. All the information in the data section comes from columns in the selected row. The other sections display data from other, related rows.

Related data can be related in a to-one or a to-many fashion. Captions of data related in a to-many fashion link to a list view showing a filtered view of the table.

Try moving around until you find a non-empty to-many entry and click on the label to get to one. You can move back to the root by clicking on the database name in the header.

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