This bug has been driving me nuts since I started using Xcode (4.6.3). Whenever I try to link a Storyboard item to my code, I get the error:
Could not
What solved this issue for me was actually deleting the class from the project.
Steps:
This seems to force Xcode to link the class back into the storyboard.
Note: for me the following did not work:
I think this is a bug on Apple's part