I cannot build my application anymore since I updated Xcode to the new version (Xcode 5.1). the error message is \'Could not build module \'UIKit\'\'. I have the same probl
Go to your DerivedData directory and remove ModuleCache directory.
DerivedData
ModuleCache
In terminal:
cd /Users//Library/Developer/Xcode/DerivedData rm -rf ModuleCache/
then reinstall pods: pod install.
pod install
If it doesn't help try removing whole DerivedData directory and reinstall pods.