Getting Error FUN-720491 while using data set in SRC based AP Approval

Summary:

We are using SRC to configure AP Approval rules. We have a need to route approval to buyers for a specific ship to location. We are using have the ship to location id as a distribution DFF attribute.

When we try to use the data set, Oracle is throwing following error. Our data set name is CMS_POBUYER.

PO Buyer value that you've entered for the CMS_POBUYER data set. (FUN-720491) User Name xxxxxx@xxxx.com xxxxxx doesn't exist. Enter an existing user name

Content (please ensure you mask any confidential information):

*Set Name

Approval Group /Supervisory Level/Job Level Range/ User / Role