How To Fix AJ365 - Not permissible to change billing rounding from &1 to &2

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 365

• Message text: Not permissible to change billing rounding from &1 to &2

What causes this issue?

The billing rounding has been changed in the register operands for both
devices/registers cited in the previous messages.
Both devices/registers have the same logical register number (this
usually means it is the same device/register).
The operand for the first register is &v3&. The operand for the second
register is &v4& (for the stated date).
A change in the billing rounding causes errors when rounding
differences are balanced in quantity conversion.

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?

Execute an interim billing at the time of the change.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AJ365 - Not permissible to change billing rounding from &1 to &2 ?

  The SAP error message AJ365, which states "Not permissible to change billing rounding from &1 to &2," typically occurs in the context of billing documents when there is an attempt to change the rounding method or rules that have already been applied to a billing document. This error is often related to the configuration of billing types and the associated rounding rules in the SAP system.
  Cause:
  
  
  Rounding Configuration: The error usually arises when there is an inconsistency between the current rounding method and the one that is being attempted to be applied. For example, if the billing document was created with a specific rounding method (e.g., rounding up) and there is an attempt to change it to another method (e.g., rounding down), the system will not allow this change.
  
  
  Document Status: The billing document may already be in a status that does not permit changes to the rounding method. For instance, if the document has already been posted or processed, changes may be restricted.
  
  
  Customizing Settings: The settings in the SAP configuration for billing types may not allow for changes in rounding methods once a document is created.
  
  
  Solution:
  
  
  Review the Rounding Configuration: Check the configuration settings for the billing type in the SAP Customizing Implementation Guide (IMG). Ensure that the rounding rules are set correctly and that they align with the business requirements.
  
  
  Avoid Changing Rounding After Creation: If the billing document has already been created, avoid attempting to change the rounding method. Instead, if a change is necessary, consider creating a new billing document with the desired rounding settings.
  
  
  Check Document Status: Ensure that the billing document is in a status that allows for changes. If it has been posted, you may need to reverse or cancel the document before making changes.
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the billing process and rounding rules. This can provide insights into how to manage rounding in billing documents effectively.
  
  
  Contact SAP Support: If the issue persists and you cannot find a resolution, consider reaching out to SAP support for assistance. They can provide guidance based on the specific configuration and version of your SAP system.
  
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide updates to the billing module.
  Transaction Codes: Familiarize yourself with transaction codes related to billing and invoicing, such as VF01 (Create Billing Document), VF02 (Change Billing Document), and VF03 (Display Billing Document).
  Training and Documentation: Ensure that users involved in billing processes are trained on the implications of rounding settings and the importance of maintaining consistency in billing documents.
  
  By following these steps, you should be able to address the AJ365 error and ensure proper handling of billing rounding in your SAP system.