PO_VARIANCE_ACCOUNT can't be determined

Summary: Getting error "The account PO Variance Account couldn't be determined. Contact the Procurement application administrator" while loading POs through FBDI when destination type is inventory and PO getting into incomplete status.

For defaulting the PO Variance account we have already defined the account rule with Requisition Variance Account and PO Charge account conditions still we are getting the error

Content (required): Facing error for PO bulk load with destination type = inventory

Version (include the version you are using, if applicable):

21C (11.13.21.07.0)

Code Snippet (add any code snippets that support your topic, if applicable):