How To Fix CP518 - Operation number &/&/&/& is not unique

CP518 - Overview

• Message type: E = Error

• Message class: CP - Task list messages: Core data

• Message number: 518

• Message text: Operation number &/&/&/& is not unique

What causes this issue?

The operation &V4& in sequence &V3& of group &V1&, group counter &V2&
is not unique. Processing is only possible if all operations in a
sequence have unique numbers.

How to fix this error?

Please correct the operation numbers.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CP518 - Operation number &/&/&/& is not unique ?

  The SAP error message CP518 indicates that there is a problem with the operation number in a production order or routing. Specifically, it means that the operation number you are trying to use is not unique within the context of the order or routing. This can occur in various scenarios, such as when you are trying to create or modify a production order, routing, or work center.
  
  Cause:
  
  Duplicate Operation Numbers: The operation number you are trying to enter already exists in the same routing or production order.
  Incorrect Configuration: There may be an issue with how the routing or production order is configured, leading to conflicts in operation numbers.
  Data Entry Error: A simple typographical error may have led to the entry of a duplicate operation number.
  
  
  Solution:
  
  Check Existing Operations: Review the existing operations in the routing or production order to identify any duplicates. You can do this by navigating to the routing or