How To Fix IWO_BAPI2121 - Object list assignment; no operation with number &1/&2 exists

SAP Error Message - Details

• Message type: E = Error

• Message class: IWO_BAPI2 - Messages for the PS/CS BAPI Process Control

• Message number: 121

• Message text: Object list assignment; no operation with number &1/&2 exists

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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message IWO_BAPI2121 - Object list assignment; no operation with number &1/&2 exists ?

  The SAP error message "IWO_BAPI2121 Object list assignment; no operation with number &1/&2 exists" typically occurs in the context of work order processing, particularly when trying to assign an object list to a work order operation. The error indicates that the system cannot find an operation with the specified operation number in the work order.
  Cause:
  
  Non-existent Operation: The operation number specified in the error message does not exist in the work order. This could be due to a typo or because the operation was deleted or not created.
  Incorrect Work Order: The work order number may be incorrect, leading to the system not finding the associated operations.
  Data Consistency Issues: There may be inconsistencies in the database or issues with the data being passed to the BAPI (Business Application Programming Interface).
  Authorization Issues: The user may not have the necessary authorizations to view or modify the specified operation.
  
  Solution:
  
  Verify Operation Number: Check the operation number and ensure it is correct. You can do this by navigating to the work order in the SAP GUI and reviewing the operations associated with it.
  Check Work Order: Ensure that the work order number is correct and that it is in the correct status (e.g., not deleted or archived).
  Create Missing Operations: If the operation does not exist, you may need to create it in the work order.
  Data Validation: If you are using a custom program or BAPI, ensure that the data being passed is valid and correctly formatted.
  Authorization Check: Ensure that the user has the necessary permissions to access and modify the work order and its operations.
  Consult Logs: Check the application logs (transaction SLG1) for more detailed error messages that might provide additional context.
  
  Related Information:
  
  Transaction Codes: You can use transaction codes like IW31 (Create Work Order), IW32 (Change Work Order), and IW33 (Display Work Order) to manage work orders and their operations.
  BAPI Documentation: Review the documentation for the specific BAPI you are using to understand the required parameters and expected behavior.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. You can search for relevant notes in the SAP Support Portal.
  Support: If the issue persists, consider reaching out to your SAP support team or consulting with an SAP expert for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution.