How To Fix AJ640 - Billing schema already contains &1 steps

SAP Error Message - Details

• Message type: E = Error

• Message class: AJ - Billing program

• Message number: 640

• Message text: Billing schema already contains &1 steps

What causes this issue?

You have inserted &V1& steps in the billing schema in the mean time.
Note that long billing schemas can have a negative effect on
performance.
INCLUDE ISU_BI_SCHEMA_LENGTH_INC OBJECT DOKU ID TX

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?

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 AJ640 - Billing schema already contains &1 steps ?

  The SAP error message AJ640, which states "Billing schema already contains &1 steps," typically occurs when there is an attempt to add a step to a billing schema that already has that step defined. This can happen during the configuration of billing documents in the SAP system, particularly in the context of billing types and their associated schemas.
  Cause:
  
  Duplicate Step Definition: The most common cause of this error is that the billing schema you are trying to modify or create already includes the step you are attempting to add.
  Incorrect Configuration: There may be a misunderstanding or oversight in the configuration process, leading to attempts to define steps that are already present.
  Transport Issues: If changes were transported from one system to another, there might be inconsistencies in the schema definitions.
  
  Solution:
  
  Check Existing Steps: Review the existing billing schema to confirm which steps are already defined. You can do this by navigating to the billing schema configuration in the SAP system (Transaction code: V/08).
  Remove Duplicate Step: If you find that the step you are trying to add is already present, you can either remove the duplicate entry or modify your configuration to avoid adding it again.
  Adjust Configuration: If you need to make changes to the billing schema, ensure that you are not duplicating existing steps. Make necessary adjustments to your configuration.
  Consult Documentation: Refer to SAP documentation or help resources for guidance on billing schema configuration to ensure compliance with best practices.
  Transport Management: If the issue arose after a transport, check the transport logs and ensure that the schema is consistent across systems.
  
  Related Information:
  
  Transaction Codes: 
  
  V/08: To maintain billing schemas.
  V/07: To display billing schemas.
  
  
  SAP Notes: Check for any relevant SAP Notes that might address specific issues related to billing schema configurations.
  SAP Community: Engage with the SAP Community forums for insights and solutions from other users who may have encountered similar issues.
  Documentation: Review the SAP Help Portal for detailed information on billing processes and schema configurations.
  
  By following these steps, you should be able to resolve the AJ640 error and ensure that your billing schema is correctly configured without duplicate steps.