Entry with the same key already exists

Message type: E = Error

Message class: O3 - IS-Oil: HPM messages (goods movements, QCI, deliveries)

Message number: 005

Message text: Entry with the same key already exists

When creating an entry, you entered a key that already exists.
The entry cannot be created.
Choose another key or remove the entry using <LS>Skip</>.

Error message extract from SAP system. Copyright SAP SE.