Command /Developer/usr/bin/ibtool failed with exit code 10

Question

I am getting the error even if I create a new project ... This is the new 4.2 SDK : iOS 5 beta 3

CompileStoryboard testing/en.lproj/MainStoryboard.storyboard
    cd /Users/omkarjadhav/Desktop/testing
    setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
    setenv XCODE_DEVELOPER_USR_PATH /Developer/usr/bin/..
    /Developer/usr/bin/ibtool --errors --warnings --notices --output-format human-readable-text --compile /Users/omkarjadhav/Library/Developer/Xcode/DerivedData/testing-ejcbqbpaoxybvzazttgunhdfmtww/Build/Products/Debug-iphonesimulator/testing.app/en.lproj/MainStoryboard.storyboardc /Users/omkarjadhav/Desktop/testing/testing/en.lproj/MainStoryboard.storyboard --sdk /Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs/iPhoneSimulator5.0.sdk

Command /Developer/usr/bin/ibtool failed with exit code 10

Its driving me crazy please help

Answer 1

Did a

sudo /Developer/Library/uninstall-devtools --mode=all

and reinstalled the SDK .. Working fine now .