The IBAN field is required

In the invoiceninja log I see a lot [2023-03-17 16:07:25] production.INFO: The IBAN field is required

from where is this because tried to find the IBAN field but don’t find it in the APP.
Using V5.5.89

@servitweb

The IBAN field only appears if you are in Switzerland… The INFO message can be ignored.