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Cocoa Book
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Cocoa Book


  • Subject: Cocoa Book
  • From: John MacMullin <email@hidden>
  • Date: Sun, 20 Apr 2003 19:32:15 -0700

I have worked my way through the O'Reilly book Cocoa Applications A step by step guide. I have followed the directions in Chapter 11. However, when I run the program, I get an error message:

1325 ***-[NSCFDictionarysetObject:forKey:]:attempt to insert nil value

and no window appears at all.

I have reviewed the O'Reilly errata on the web site and cannot find a reference to this error.

I then compiled and ran Chapter 11 from the downloaded code. This time the window appeared but the back end executable, Evaluator, didn't seem to work at all.

I am using Developer Tools from December.

Could you first direct me to a list of the error codes, if there is one, and then provide some assistance.

John
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