How To Fix WY158 - Customer processing terminated. Indicator has been deselected.

SAP Error Message - Details

• Message type: E = Error

• Message class: WY - Supplier Master

• Message number: 158

• Message text: Customer processing terminated. Indicator has been deselected.

What causes this issue?

In the purchasing data of the vendor master, you selected an indicator
which defines that a vendor return is to be carried out using shipping
processing.
To do this, you must enter a customer master record for the vendor.
However, creation of this customer has not been completed correctly.

System Response

The indicator for vendor returns using shipping processing has been
deselected.

How to fix this error?

If you want vendor returns to be made using shipping processing, reset
the indicator, and create a customer master record for the vendor.

Error message extract from SAP system. Copyright SAP SE.