Xcode storyboard: Internal error. Please file a bug

Question

While editing in the storyboard, specifically assigning a view controller to a specific class, I suddenly encountered this error when I wanted to run the project.

Ma

Answer 1

I had this issue on Xcode 8.2.1. Cleaning(cmd + option + shift + k) did not help. However, uninstalling the Xcode, downloading Xcode 8.2.1 from Apple, installing did resolve the issue.

Answer 2

I had same problem with xcode8 beta 6 , Command+K was not helpful , But then for which .xib file xcode was displaying error, I just corrected its related properties in IB like mine view was custom one & some of its inner image view properties. then i cleaned the build & run the app. It worked.

Answer 3

The following steps will stop your problem.

1. cmd + shift + k
2. cmd + option + shift + k
3. Restart Xcode
4. Restart Mac.

Answer 4

I faced the same issue. And it was solved by cleaning up the build files.

cmd + shift + k

AND

cmd + option + shift + k

Hope this helps Thanks.

Answer 5

Sounds like you found a bug in Xcode and should file a bug report with apple here and attach the file that it specifies with the error. In the mean time, do you have an earlier version of your project that you can revert back to? Or provide the xml of your main story board here?

Answer 6

All these solutions didn't work for me.
What did work was this:

$ sudo chmod -R 777 ~/Library/Logs