How To Fix CP423 - You cannot insert operations into a referenced operation set

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 423

• Message text: You cannot insert operations into a referenced operation set

What causes this issue?

You want to insert one or more operations into a referenced operation
set or a reference rate routing. However, you cannot insert operations
into a referenced operation set or reference rate routing.

How to fix this error?

Change the referenced operation set or reference rate routing during
task list maintenance or
unlock the referenced operation set or reference rate routing.
Check that the changes in reference operation set or reference rate
routing work in all routings using the reference operation set or
reference rate routing.
Check that the changes made in reference operation set or reference rate
routing during unlocking no longer work in this routing.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message CP423 - You cannot insert operations into a referenced operation set ?

  The SAP error message CP423 ("You cannot insert operations into a referenced operation set") typically occurs in the context of production planning and control, particularly when working with operation sets in the SAP system. This error indicates that you are trying to insert operations into an operation set that is already referenced or linked to another object, such as a routing or a production order.
  Cause:
  
  Referenced Operation Set: The operation set you are trying to modify is already being used or referenced by another object. This means that the system has locked the operation set to maintain data integrity.
  Status of the Operation Set: The operation set may be in a status that does not allow modifications, such as being released or completed.
  Authorization Issues: There may be restrictions based on user roles or authorizations that prevent modifications to the operation set.
  
  Solution:
  
  Check References: Verify if the operation set is being used in any other routing or production order. If it is, you will need to either remove the reference or create a new operation set for your changes.
  Change Status: If the operation set is in a status that does not allow changes, you may need to change its status to allow for modifications. This may involve reversing a previous action or changing the status in the system.
  Create a New Operation Set: If you cannot modify the existing operation set due to its references, consider creating a new operation set and copying the necessary operations into it.
  Consult Documentation: Review SAP documentation or help files related to operation sets and routing to ensure you are following the correct procedures.
  Check Authorizations: Ensure that you have the necessary authorizations to modify operation sets. If not, contact your SAP administrator to request the required permissions.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CA01 (Create Routing), CA02 (Change Routing), and CA03 (Display Routing) to manage operation sets effectively.
  SAP Notes: Check for any SAP Notes related to this error message for additional insights or patches that may address the issue.
  User Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, providing insights or solutions from other users' experiences.
  
  By following these steps, you should be able to resolve the CP423 error and successfully manage your operation sets in SAP.