How To Fix IWO_BAPI202 - Changing control key (&1) to external processing in BAPI not supported

SAP Error Message - Details

• Message type: E = Error

• Message class: IWO_BAPI - BAPIs for ALM Orders: Messages

• Message number: 202

• Message text: Changing control key (&1) to external processing in BAPI not supported

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message IWO_BAPI202 - Changing control key (&1) to external processing in BAPI not supported ?

  The SAP error message "IWO_BAPI202 Changing control key (&1) to external processing in BAPI not supported" typically occurs when there is an attempt to change the control key of a maintenance order to a value that is not allowed for external processing within a BAPI (Business Application Programming Interface) call. This error is often encountered when working with BAPIs related to maintenance orders, such as BAPI_ALM_ORDER_MAINTAIN.
  Cause:
  
  Control Key Restrictions: The control key specified in the BAPI call is not compatible with the external processing status. Certain control keys are designated for specific processing types, and changing them to an external processing type is not permitted.
  Incorrect Data: The data being passed to the BAPI may not conform to the expected values for the control key, leading to this error.
  Business Logic: The business logic defined in the system may restrict certain changes to the control key based on the order type or status.
  
  Solution:
  
  Review Control Key: Check the control key being passed in the BAPI call. Ensure that it is appropriate for the type of processing you are trying to perform. Refer to the SAP documentation or configuration to understand which control keys are valid for external processing.
  Adjust BAPI Call: If you need to change the control key, consider whether it is necessary to do so. If the change is not required, remove the attempt to change the control key in your BAPI call.
  Consult Configuration: Review the configuration settings for maintenance orders in your SAP system. Ensure that the control keys and their associated processing types are correctly set up.
  Error Handling: Implement error handling in your code to catch this specific error and provide meaningful feedback to the user or log it for further analysis.
  
  Related Information:
  
  BAPI Documentation: Refer to the official SAP BAPI documentation for BAPI_ALM_ORDER_MAINTAIN or any other relevant BAPI to understand the parameters and their constraints.
  SAP Notes: Check for any SAP Notes related to this error message or the specific BAPI you are using. SAP Notes may provide additional insights or patches that address known issues.
  Transaction Codes: Use transaction codes like IW32 (Change Order) or IW31 (Create Order) to manually test the control key changes and see if the same restrictions apply outside of the BAPI context.
  Debugging: If you have access to the SAP system, consider debugging the BAPI call to see the exact data being passed and identify where the issue arises.
  
  By following these steps, you should be able to resolve the error and ensure that your BAPI calls are functioning as intended.