How To Fix AH791 - Update type &1 not permitted for operand category &2

AH791 - Overview

• Message type: E = Error

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

• Message number: 791

• Message text: Update type &1 not permitted for operand category &2

What causes this issue?

Update type &V1& is not possible for output operands of category &V2&.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

An internal error has occurred; contact SAP.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH791 - Update type &1 not permitted for operand category &2 ?

  The SAP error message AH791 indicates that there is an issue with the update type specified for a particular operand category in a data processing or update operation. This error typically arises in the context of SAP's data processing, especially when dealing with update rules in the context of data warehousing or reporting.
  
  Cause:
  The error message "AH791 Update type &1 not permitted for operand category &2" generally occurs due to one of the following reasons:
  
  
  Incompatible Update Type: The update type specified (e.g., 'Insert', 'Update', 'Delete') is not allowed for the operand category being used. Each operand category has specific rules regarding which update types are permissible.
  
  
  
  Configuration Issues: There may be a misconfiguration in the data model or the update rules that define how data should be processed.
  
  
  Data Source Issues: The data source from which the data is being pulled may not support the specified update type for the given operand category.
  
  
  
  Solution:
  To