How To Fix WY079 - New bank master data cannot be created in this processing mode

SAP Error Message - Details

• Message type: E = Error

• Message class: WY - Supplier Master

• Message number: 079

• Message text: New bank master data cannot be created in this processing mode

What causes this issue?

You wanted to schedule a change in the vendor master or activate a
planned 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 master
data.
However, new bank master data cannot be processed in the course of
the planned changes.
You can only add bank details to banks for which the bank master
data already exists.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.