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

AH391 - Overview

• 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.

AH391 - Details

• 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