How To Fix AH391 - In variant &1 an output operand is missing in step &2

SAP Error Message - Details

• Message type: E = Error

• Message class: AH - IS-U billing (master data)

• Message number: 391

• Message text: In variant &1 an output operand is missing in step &2

What causes this issue?

An output operand is missing in step &V2& for variant &V1&.

System Response

The rate cannot be saved.

How to fix this error?

Maintain the missing values or delete the rate step.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH391 - In variant &1 an output operand is missing in step &2 ?

  The SAP error message AH391 indicates that there is an issue with a variant in a process where an output operand is missing in a specific step. This error typically occurs in the context of SAP's variant configuration or when dealing with certain types of reports or processes that require specific output parameters.
  Cause:
  
  Missing Output Operand: The error suggests that in the specified variant (&1), there is a step (&2) that is expected to produce an output, but the necessary output operand is not defined or is missing.
  Configuration Issues: This can happen due to incorrect configuration settings in the variant or the underlying process.
  Data Inconsistencies: There may be inconsistencies in the data or settings that lead to the absence of the required output operand.
  
  Solution:
  
  
  Check the Variant Configuration:
  
  Go to the transaction or area where the variant is defined.
  Review the settings for the variant to ensure that all required output operands are correctly defined.
  Make sure that the step mentioned in the error message has the necessary output operands configured.
  
  
  
  Review the Process Steps:
  
  Analyze the process steps leading up to the error to identify if any steps are misconfigured or missing.
  Ensure that all steps in the process flow are correctly set up to produce the expected outputs.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help resources related to the specific transaction or process you are working with. This can provide insights into what output operands are required.
  
  
  
  Testing:
  
  After making changes, test the variant again to see if the error persists.
  If possible, create a new variant with the correct settings to see if the issue is resolved.
  
  
  
  Seek Help from SAP Support:
  
  If the issue cannot be resolved through the above steps, consider reaching out to SAP support for further assistance. Provide them with the error message details and any relevant configuration information.
  
  
  
  Related Information:
  
  Transaction Codes: Depending on the context, you may need to use specific transaction codes to access variant configurations or process definitions (e.g., SE93 for variants, SE80 for development objects).
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide patches or updates that could resolve the issue.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed, and solutions shared.
  
  By following these steps, you should be able to identify and resolve the cause of the AH391 error in your SAP environment.