SAP Message C2325 - Error occurred during creation of purchase requisition for operation &

Diagnosis
During automatic creation of the purchase requisition to operation &V1&
, an error (&V2& &V3&) occurred.

System Response
The system cannot create the corresponding purchase requisition.

Procedure
For further proceedings, read the long text of error message (&V2& &V3&
) in transaction SE91. Check the operation affected and change orcomplete any missing data that led to the error message.

517715AVO_ALREADY_EXISTS when creating/changing external operation
1529229Error during creation of purchase requisition: Msg. C2 325