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I copied iOS 6 SDK files from xcode 4.5 (dmg) to my computer with snow leopard with xcode 4.2 using this:

sudo cp -R /Volumes/Xcode/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/Developer/SDKs/iPhoneOS6.0.sdk /Developer/Platforms/iPhoneOS.platform/Developer/SDKs/ sudo cp -R /Volumes/Xcode/Xcode.app/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator6.0.sdk /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/ sudo cp -R /Volumes/Xcode/Xcode.app/Contents/Developer/Platforms/iPhoneOS.platform/DeviceSupport/6.0\ (10A403) /Developer/Platforms/iPhoneOS.platform/DeviceSupport/ sudo rm -f /Developer/Platforms/iPhoneOS.platform/DeviceSupport/Latest cd /Developer/Platforms/iPhoneOS.platform/DeviceSupport/ sudo ln -s ./6.0\ (10A403) ./Latest

I opened my iPad project in xcode 4.2 an here shows an error that says:

"Uncategorized. Compilation failed for data model at path '/User/desarrollo/Library/Developer/Xcode/DerivedData/.../Build/Products/Debug-iphonesimulator/...app/...momd/...mom'"

The xcdatamodeld reference and file exists in project and folder.

Could you help me with this issue??

I think it is not a problem related with iOS 6 SDK because I've been trying clean and build project also with iOS 5.1 as target but it show the same error.

Thanks in advance.

rraf
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  • Is your hardware keeping you from running Lion? If possible, upgrade to Lion and then Xcode 4.5.x. Your life will be easier. The newer Xcode is much better than 4.2. – rmaddy Nov 06 '12 at 17:20

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