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Xcode: Internal error occurred while creating dependency graph

Answer 1

A:

You have an NSArray or NSMutableArray into which you are trying to insert a nil or uninitialized object. As the documentation for these two arrays indicates, this is not allowed.

You need to troubleshoot where you are inserting values into an array (presumably objects) and find out where that nil value is coming from.

Alex Reynolds 2010-03-12 23:13:24

Answer 2

+1 A:

I found the solution to my problem and it was quite simple.

Quit Xcode
Reopen Xcode
Open your project
Clean All Targets

Now everything works fine although I wish I knew how I got into that state.

Randy Simon 2010-03-12 23:50:36

What it looks like is that there is stale build information data that Xcode is trying to load before it runs the dependency graph to figure out whether it needs to be updated. This can happen across Xcode beta releases; deleting your build folder when moving from one version of Xcode to another is sometimes helpful, usually when you've been installing new SDKs.

cdespinosa 2010-03-13 00:37:35

This makes sense and I did upgrade to XCode 3.2.1 recently but I am pretty sure that this was not the first time I attempted to build for the device since the upgrade.

Randy Simon 2010-03-13 00:57:32

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Xcode: Internal error occurred while creating dependency graph

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