How To Fix AJ573 - Backbilling is not allowed in schema &1

AJ573 - Overview

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 573

• Message text: Backbilling is not allowed in schema &1

What causes this issue?

Billing schema &v1& contains steps for rate &v2& which have backbilling
fields (<DS:DE.BACKSTART>backbilling indicator, etc.</>) that have not
been maintained. This is not permitted, since the
<DS:DE.DYNPERSCHEMA>dynamic period control</> field is selected.

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?

Remove all rates that contain variant programs for triggering a
backbilling.
Delete all backbilling fields.

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 AJ573 - Backbilling is not allowed in schema &1 ?

  The SAP error message AJ573, which states "Backbilling is not allowed in schema &1," typically occurs in the context of billing and invoicing processes within the SAP system, particularly in the SAP IS-U (Industry Solution for Utilities) module. This error indicates that the billing schema being used does not permit backbilling, which is the process of billing for services that were provided in the past but not billed at that time.
  
  Cause:
  
  Billing Schema Configuration: The billing schema defined in the system does not allow backbilling. This could be due to specific settings in the schema that restrict the ability to create invoices for past periods.
  Billing Type Restrictions: The billing type associated with the billing document may not support backbilling.
  Regulatory Compliance: In some cases, regulatory or company policies may restrict backbilling to prevent issues related to customer disputes or compliance.
  
  
  Solution:
  
  
  Check Billing Schema Configuration:
  
  Go to the transaction code SPRO to access the SAP