Could not insert new outlet connection error

Question

I have created a custom cell for loading into a table. The interface is complete and now I am trying to link the xib and the class.

I have the split screen view open

Answer 1

https://stackoverflow.com/a/16166878/521946

Try to clean your project and restart Xcode.
If it still cannot be connected, follow the Utilities navigation view of Xcode, in the Target membership section, uncheck & check the checkbox, it will be work. Maybe you should rebuild the project after unchecking.