How To Fix CP420 - --------- Reference to reference operation set ---------------

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 420

• Message text: --------- Reference to reference operation set ---------------

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

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Smart SAP Assistant

• What is the cause and solution for SAP error message CP420 - --------- Reference to reference operation set --------------- ?

  The SAP error message CP420, which states "Reference to reference operation set," typically occurs in the context of production planning and control, particularly when dealing with operation sets in routing or production orders. This error indicates that there is an issue with how the operation sets are referenced in the system.
  Cause:
  
  Incorrect Reference: The operation set being referenced may not exist or may not be correctly defined in the system.
  Configuration Issues: There may be configuration issues in the routing or production order setup that lead to this error.
  Missing Data: Required data for the operation set may be missing or incomplete.
  Versioning Issues: If there are multiple versions of the operation set, the system may be referencing an outdated or incorrect version.
  
  Solution:
  
  Check Operation Set Definition: Verify that the operation set being referenced exists and is correctly defined in the system. You can do this by navigating to the relevant transaction (e.g., CA01 for creating or CA02 for changing routing).
  Review Routing: Ensure that the routing associated with the production order or process is correctly set up and that all operations are properly defined.
  Validate Data: Check for any missing or incomplete data in the operation set or routing. Ensure that all necessary fields are filled out.
  Check for Version Conflicts: If there are multiple versions of the operation set, ensure that the correct version is being referenced in the production order or routing.
  Consult Documentation: Review SAP documentation or help resources for any specific notes related to this error message.
  SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error or provide additional troubleshooting steps.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as CA01 (Create Routing), CA02 (Change Routing), and CO01 (Create Production Order) to navigate and troubleshoot effectively.
  SAP Community: Engage with the SAP Community forums for insights from other users who may have encountered similar issues.
  Testing: After making changes, test the routing or production order to ensure that the error no longer occurs.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP support team or a technical consultant who can provide deeper insights into the system configuration and data integrity.