How To Fix AH479 - This change of logical register &1 not permitted

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 479

• Message text: This change of logical register &1 not permitted

What causes this issue?

An historical change was made in one of the following fields to a
register with logical register number &V1&:
<DS:DE.SPARTYP>Division category</>
<DS:DE.E_ZWTYP>Register category</>
In this field you can change the category from <LS>cumulative</> to
<LS>balancing</> and vice versa.
Differentiation of <DS:DE.BLIWIRK>reactive/apparent/active register</>
These changes to the installation structure are not permitted.

System Response

The corresponding installation cannot be billed.

How to fix this error?

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AH479 - This change of logical register &1 not permitted ?

  The SAP error message AH479, which states "This change of logical register &1 not permitted," typically occurs in the context of managing logical registers in the SAP system, particularly in the area of utilities or billing. This error indicates that a specific change to a logical register is not allowed due to certain restrictions or conditions.
  Cause:
  
  Status of the Logical Register: The logical register may be in a status that does not permit changes. For example, if the register is locked or in a closed state, modifications may not be allowed.
  Configuration Settings: There may be configuration settings in the system that restrict changes to certain logical registers based on business rules or regulatory requirements.
  Data Integrity Rules: The system may have data integrity rules that prevent changes to ensure consistency and accuracy in billing or reporting.
  User Authorizations: The user attempting to make the change may not have the necessary authorizations to perform the action.
  
  Solution:
  
  Check the Status: Verify the status of the logical register. If it is locked or closed, you may need to unlock it or change its status before making modifications.
  Review Configuration: Consult with your SAP configuration team to understand if there are specific settings that prevent changes to the logical register. Adjustments may be needed in the configuration.
  Data Integrity Checks: Ensure that any changes you are trying to make comply with the data integrity rules established in your SAP system.
  User Authorizations: Check the user roles and authorizations to ensure that the user has the necessary permissions to make changes to the logical register.
  Consult Documentation: Refer to SAP documentation or help resources for more detailed information on the specific logical register and the types of changes that are permitted.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes that deal with logical registers, such as EAM (Enterprise Asset Management) or IS-U (Industry Solution for Utilities).
  SAP Notes: Search for SAP Notes related to error AH479 in the SAP Support Portal for any patches or updates that may address this issue.
  Support: If the issue persists, consider reaching out to SAP support or your internal SAP support team for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement a solution to resolve it.