How To Fix WUF073 - Error while calling transformation method &1 of class &2

SAP Error Message - Details

• Message type: E = Error

• Message class: WUF -

• Message number: 073

• Message text: Error while calling transformation method &1 of class &2

Self-Explanatory Message

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Smart SAP Assistant

• What is the cause and solution for SAP error message WUF073 - Error while calling transformation method &1 of class &2 ?

  The SAP error message WUF073, which states "Error while calling transformation method &1 of class &2," typically occurs in the context of data transformation processes, such as when using the SAP Business Warehouse (BW) or SAP Data Services. This error indicates that there was an issue when trying to execute a specific transformation method defined in a class.
  Causes:
  
  Incorrect Method Name: The method name specified in the transformation might be incorrect or does not exist in the specified class.
  Class Not Found: The class specified in the error message may not be available in the system or may not be properly activated.
  Authorization Issues: The user executing the transformation may not have the necessary authorizations to call the method in the specified class.
  Runtime Errors: There could be runtime errors within the method itself, such as unhandled exceptions or logic errors.
  Parameter Mismatch: The parameters being passed to the method may not match the expected parameters defined in the method signature.
  
  Solutions:
  
  Check Method and Class Names: Verify that the method name and class name in the transformation are correct and that the method is implemented in the class.
  Activate the Class: Ensure that the class is activated in the ABAP Workbench (transaction SE80 or SE24).
  Review Authorizations: Check the user authorizations to ensure that the user has the necessary permissions to execute the transformation and call the method.
  Debug the Method: If you have access to the ABAP code, debug the method to identify any runtime errors or exceptions that may be occurring.
  Parameter Validation: Ensure that the parameters being passed to the method are correct and in the expected format.
  Check for Notes or Patches: Sometimes, SAP releases notes or patches that address specific issues. Check the SAP Support Portal for any relevant notes related to this error.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SE80 (Object Navigator), SE24 (Class Builder), or SE37 (Function Module) to investigate the class and method.
  SAP Notes: Search for SAP Notes related to WUF073 for any known issues or fixes.
  Logs and Traces: Check the application logs (transaction SLG1) or the system logs (transaction SM21) for additional information that may help diagnose the issue.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP Basis or development team for further assistance.