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NSTreeController/Outline View Problem
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NSTreeController/Outline View Problem


  • Subject: NSTreeController/Outline View Problem
  • From: Dave <email@hidden>
  • Date: Sun, 24 May 2015 13:20:03 +0100

When I run the application, I get this error:

2015-05-24 12:56:30.661 Classifier[2884:1304096] Warning: <NSTreeController: 0x6080001e0500>[object class: NSMutableDictionary] childrenKeyPath cannot be nil. To eliminate this log message, set the childrenKeyPath attribute in Interface Builder
2015-05-24 12:56:39.335 Classifier[2884:1304096] <NSTreeController: 0x6080001e0500>[object class: NSMutableDictionary] Cannot perform operation because childrenKeyPath is nil

Which seems to suggest I need to do something in Interface Builder, but what?

All the Best
Dave


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