How To Fix AJ366 - Billing document &1 cannot be reversed after a period of &2 &3

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 366

• Message text: Billing document &1 cannot be reversed after a period of &2 &3

What causes this issue?

Billing document &v1& has been included in invoicing document &v4&.
Since the billing document was created more than a year ago, invoicing
and billing can no longer be reversed.

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?

To reverse the billing document, manually post credit
memos/backbillings or contract accounting documents.

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 AJ366 - Billing document &1 cannot be reversed after a period of &2 &3 ?

  The SAP error message AJ366 indicates that a billing document cannot be reversed because it is outside the allowed reversal period. This typically occurs in the context of billing and invoicing processes within SAP, particularly in the Sales and Distribution (SD) module.
  
  Cause:
  The error message AJ366 is triggered when you attempt to reverse a billing document that has been posted for a period that exceeds the defined reversal period in the system. The reversal period is set in the configuration and is meant to prevent changes to financial documents after a certain time frame, ensuring data integrity and compliance with accounting standards.
  
  Solution:
  To resolve this error, you have a few options:
  
  
  Check the Reversal Period Configuration:
  
  Review the configuration settings for the billing document reversal period in the SAP system. This can typically be found in the configuration path:
  SPRO ? Sales and Distribution ? Billing ? Billing Document ? Define Billing Document Types.
  
  
  Look for