Why am I getting ibtool failed with exit code 255?
This happen to us and we clean cache, delete Derived data folder.. etc. nothing happen.
below steps made it fix,
- open xib(nib) as Source Code (Right click on the xib
Open As > Source Code
fromXcode
or open it usingTextEdit
) - remove this
appearanceType="aqua"
- save and open using Xcode
For more explain use this article, it help us to fix the issue.
I had something similar happen to me recently using Xcode 4.6 and iOS 6.1.
All I did was switch to a different device version (5.1) on the simulator and it ran. Switched back to 6.1 and it fixed itself.
Xcode can be unhelpful at times.