I made a transfer with a mistyped IBAN once in the online interface of my German bank. The bank called me a day later and said that there’s something wrong with

I made a transfer with a mistyped IBAN once in the online interface of my German bank. The bank called me a day later and said that there’s something wrong with my IBAN, so I double-checked, realised my mistake and did the same transfer to the correct IBAN. I did not loose any money.