You did not have a valid ticket at the time of the ticket control - for whatever reason. In this case you have to bite the bullet and pay the full 60 € fine. You can now do this online as well, and even pay in installments if necessary.
People Also Ask
In Germany, ticket checks on trains are usually carried out by the train attendant or designated ticket inspectors. When you board the train, you may encounter ticket barriers or validators at the entrance.