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Editorial Team
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Asked: 2026-05-23T05:08:35+00:00

I have Three20 in my Xcode 3 project and would like to upgrade the

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I have Three20 in my Xcode 3 project and would like to upgrade the project with Xcode 4 (just installed).

I’ve followed Three20’s Xcode 4 Transition Guide and perform this command line:

> python three20/src/scripts/ttmodule.py -p path/to/your/project/project.xcodeproj Three20 --xcode-version=4

but what I see is these errors:

ERROR:root:Couldn't find the Frameworks children.
ERROR:root:Couldn't find the Frameworks children.
ERROR:root:Couldn't find the Frameworks children.
ERROR:root:Couldn't find the Frameworks children.
ERROR:root:Couldn't find the Frameworks children.
ERROR:root:Couldn't find the Frameworks children.
ERROR:root:Couldn't find the Frameworks children.
ERROR:root:Couldn't find the Frameworks children.
ERROR:root:Some dependencies failed to be added:
ERROR:root: Three20Style:Three20Style

ERROR:root: Three20Network:Three20Network

ERROR:root: Three20UI:Three20UI

ERROR:root: Three20Core:Three20Core

ERROR:root: Three20UINavigator:Three20UINavigator

ERROR:root: Three20:Three20

ERROR:root: Three20UICommon:Three20UICommon

Do you know what the problem is and how to fix it?

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1 Answer

  1. Editorial Team

    I have found that it’s easier to “start over”, rather than migrate.

    • Remove any three20 projects from your project (they are usually under “Frameworks”)
    • Remove the old Three20.Bundle
    • Search for “Three20” in the “Build Settings” and remove any reference to Three20

    Now just run the Three20 command line to add Three20 

    > python three20/src/scripts/ttmodule.py -p path/to/your/project/project.xcodeproj Three20
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