Swift newbie has a question about overriding class

Hi, in my first project (learning) i created a class and it works fine. In the second I set an error, i should code "override class", although there is no parent class. Please, make me stop crying.

Uwe

Replies

Please, show the code where the error occurs. Show the complete class so we can understand.

Sorry, my mistake, I deleted the class, closed Xcode and began new, I got no error. Maybe the reason is that I use Sierra. In the near future I buy a new iMac, then I need your support again.