2007-11-05 21:48:21.342 MyApp[5451:10b] [< MyApp_AppDelegate 0x16bab0> valueForUndefinedKey:]: this class is not key value coding-compliant for the key firstName.
2007-11-05 21:48:21.344 MyApp[5451:10b] *** Terminating app due to uncaught exception 'NSUnknownKeyException', reason: '[< MyApp_AppDelegate 0x16bab0> valueForUndefinedKey:]: this class is not key value coding-compliant for the key firstName.'
#0 0x902cdee8 in ___TERMINATING_DUE_TO_UNCAUGHT_EXCEPTION___
#1 0x941ab6ac in objc_exception_throw
#2 0x902cdc10 in -[NSException raise]
#3 0x92672fb8 in -[NSObject(NSKeyValueCoding) valueForUndefinedKey:]
#4 0x9258d8ac in -[NSObject(NSKeyValueCoding) valueForKey:]
#5 0x925b56a8 in -[NSObject(NSKeyValueCoding) valueForKeyPath:]
#6 0x9640e3ec in -[NSArrayController _singleValueForKeyPath:]
#7 0x925b5674 in -[NSObject(NSKeyValueCoding) valueForKeyPath:]
#8 0x963d5e1c in -[NSBinder _valueForKeyPath:ofObject:mode:raisesForNotApplicableKeys:]
#9 0x963d59d8 in -[NSBinder valueForBinding:resolveMarkersToPlaceholders:]
#10 0x96407248 in -[NSValueBinder _adjustObject:mode:observedController:observedKeyPath:context:editableState:adjustState:]
#11 0x96406ee4 in -[NSValueBinder _observeValueForKeyPath:ofObject:context:]
#12 0x96408658 in -[NSTextValueBinder _observeValueForKeyPath:ofObject:context:]
#13 0x963cdbb4 in -[NSObject(NSKeyValueBindingCreation) bind:toObject:withKeyPath:options:]
#14 0x96214f80 in -[NSIBObjectData nibInstantiateWithOwner:topLevelObjects:]
#15 0x9620c65c in loadNib
#16 0x9620c000 in +[NSBundle(NSNibLoading) _loadNibFile:nameTable:withZone:ownerBundle:]
#17 0x9620bbdc in +[NSBundle(NSNibLoading) loadNibNamed:owner:]
#18 0x9620b8c4 in NSApplicationMain
#19 0x00002b18 in main at main.m:13