Reservation & already exists
Message type: E = Error
Message class: M7 - Inventory Management and Physical Inventory
Message number: 677
Message text: Reservation & already exists
What causes this issue?
The externally-assigned reservation number already exists in the
database.
System Response
The system issues an error message and will not allow you to continue with this transaction until the error is resolved.
How to fix this error?
Procedure for System Administrators
Error message extract from SAP system. Copyright SAP SE.