Unknown class FirstViewController in Interface Builder file

Question

When I run my application i got this I see in my console this message \"Unknown class FirstViewController in Interface Builder file.\"

I am running TabBar applicati

Answer 1

It is kinda hard to understand your comments, but I think you may have deleted the FirstViewController but forgot to change all the references to it. you may need to go to MainWindow.xib and look for all FirstViewController UI components and delete them