Could not insert new outlet connection [duplicate]

Question

This question already has an answer here:

• Xcode 4: Creating a UIView xib, not properly connecting 32 answers

Could not insert new outlet connection: Could not find any information for the class and not showing any class named "ViewController"

Solutions I have done : - Restarted XCode - Restarted System - Deleted the Deriveddata contents from /Library/developer/xcode

But nothing worked for me

Here is the screenshot for the error

Answer 1

I recently came across this problem. I soon realized that the cause had been my own doing. I had previously disabled XCode indexing (which used to take forever & eat up my RAM), using the below code in a terminal window:

defaults write com.apple.dt.XCode IDEIndexDisable 1

To revert XCode to its default state, i used the following line in a terminal window:

defaults write com.apple.dt.XCode IDEIndexDisable 0

Voila! All's well again..

Answer 2

Finally I did it by removing the xcode completely from my mac and reinstall the xocde.dmg file and then install MobileDevice.pkg and MobileDeviceDevelopment.pkg residing on /Applications/Xcode.app/Contents/Resources/Packages

Answer 3

I got the same problem as you today... I think this is a bug of Xcode, below is the way to fix the issue:

1. Close the project you are working on with.
2. Delete your project's【DerivedData】folder. (This folder may inside your project's folder, or inside ~/Library/Developer/Xcode/DerivedData/(your project)/ ) or somewhere else that was setup by you.
3. restart your project.

After these steps, the problem should be solved. And from my experience, these steps can solve many Xcode problems, so if you got some problem with Xcode again, try these steps first.

Answer 4

If you've imported the Class into your Xcode Project you have to manually add the Class (.m file) to your 'Compile Sources'.

Select project icon > TARGETS > Build Phases > Compile Sources Click the + button and add your *.m file.

Answer 5

That's most often a problem of file indexing.

To fix it try to clean your target and if this doesn't work, go to your Derived Datafolder and delete your application there. This will force xCode to reindex the files

Answer 6

Just got the same issue on Xcode 4.6.2.
Tried solutions presented in different answers/comments, but it still didn't work.

Then all I did was to just:

1. save all my work;
2. just quit Xcode & load it again;
3. then I was able to insert the new outlet connection successfully.

Hope this will save some time/frustration for somebody else.