Message SAP WY079 - New bank master data cannot be created in this processing mode

Diagnosis
You wanted to schedule a change in the vendor master or activate aplanned change.
Your change id related to the creation of new bank details.You wanted to create a link to a bank for which there is no masterdata.
However, new bank master data cannot be processed in the course ofthe planned changes.
You can only add bank details to banks for which the bank masterdata already exists.