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

SAP Error Message - Details

• 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 Customizing Implementation Guide.
  Navigate to Cross-Application Components > Billing > Define Billing Schema.
  Review the settings for the schema in question (indicated by &1 in the error message) to see if backbilling is allowed. If not, you may need to modify the schema to allow it, if appropriate.
  
  
  
  Review Billing Type:
  
  Check the billing type associated with the document. You can do this by navigating to Billing Types in the same configuration area.
  Ensure that the billing type allows for backbilling. If it does not, you may need to create a new billing type or modify the existing one.
  
  
  
  Consult with Business Users:
  
  Discuss with relevant business stakeholders to understand if backbilling is necessary and if it aligns with business processes and compliance requirements.
  
  
  
  Custom Development:
  
  If the standard configuration does not meet the business needs, consider discussing with your SAP development team to explore custom solutions or enhancements.
  
  
  
  Testing:
  
  After making any changes, ensure to test the billing process thoroughly to confirm that the error is resolved and that the system behaves as expected.
  
  
  
  Related Information:
  
  Documentation: Refer to SAP Help documentation for detailed information on billing schemas and types.
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide additional guidance.
  User Forums: Engage with SAP community forums or user groups for insights from other users who may have encountered similar issues.
  
  By following these steps, you should be able to identify the cause of the AJ573 error and implement a suitable solution.