The NIB data is invalid. foruncaught exception NSInternalInconsistencyExceptionI faced this issue i
'The NIB data is invalid.' foruncaught exception 'NSInternalInconsistencyException'
I faced this issue in a very special situation. To debugging the iOS7 issue in my XCode4.6, I copied the iOS7 SDK from xcode5 application into xcode4.6. After that, I always met this error when running my App on the IPAD1 device with iOS5.1. The App works fine on any other iOS6 above devices.
So if I remove iOS7 SDK folder from /Application/Xcode/Contents/Developer/Platforms/iPhoneSimulator.platform/Developer/SDKs, this exception will disappear.
I searched internet, most people met the issue just because "use Autolayout" was checked, but no one have the same issue with me above, so record it here for your reference.