Yosemite Can't start Xcode 6.1.1 with error -10699
Try running the Xcode binary directly instead of using LSS.
From the CLI:
/Applications/Xcode.app/Contents/MacOS/Xcode
If something is wrong it will give you way more useful output.
Try running the Xcode binary directly instead of using LSS.
From the CLI:
/Applications/Xcode.app/Contents/MacOS/Xcode
If something is wrong it will give you way more useful output.