3818069 - Warning: The Expense Type could not be determined from the Account Code on the Purchase Order Line Item. The Line Item Expense Type has been set to Undefined.

When I create the Line Item for the Invoice from the PO I get the following warning. The Expense Type has an Account Code configured.
Warning Message: The Expense Type could not be determined from the Account Code on the Purchase Order Line Item. The Line Item Expense Type has been set to Undefined.

When I create the Invoice Line Item from the imported PO I get a warning , KBA , CON-CA-TLS-IEM-JOB , Scheduled Jobs , CON-EXP-ADM-EXT , Expense Types , Problem