How To Fix FKKBIX2450 - Reversal reason &1 does not match processing rule 4 for schema &2

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKBIX2 - Billing in Contract Accounts Receivable and Payable

• Message number: 450

• Message text: Reversal reason &1 does not match processing rule 4 for schema &2

What causes this issue?

<DS:DE.BIT_DCPROCRULE_KK>Processing rule</> 4 requires maintenance of a
<DS:DE.BIT_REVREASON_KK>reversal reason</> for the duplicate check
schema.

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 FKKBIX2450 - Reversal reason &1 does not match processing rule 4 for schema &2 ?

  The SAP error message FKKBIX2450 indicates that there is a mismatch between the reversal reason specified in a transaction and the processing rules defined in the schema for that transaction. This error typically occurs in the context of financial accounting, particularly when dealing with document reversals in the SAP system.
  Cause:
  The error arises when:
  
  The reversal reason you are trying to use does not align with the processing rules defined in the schema for the specific transaction type.
  The schema (which defines how transactions are processed) has specific rules that dictate which reversal reasons are valid for certain types of documents or transactions.
  The reversal reason may not be configured correctly in the system or may not be allowed for the specific document type you are trying to reverse.
  
  Solution:
  To resolve the FKKBIX2450 error, you can take the following steps:
  
  
  Check the Reversal Reason: Verify that the reversal reason you are using is valid for the document type you are trying to reverse. You can do this by checking the configuration in the SAP system.
  
  
  Review the Schema Configuration:
  
  Go to the configuration settings for the relevant schema (transaction code: OBY6 for financial accounting).
  Check the processing rules for the schema and ensure that the reversal reason you are using is included in the allowed reasons for that schema.
  
  
  
  Adjust the Reversal Reason: If the reversal reason is not valid, you may need to select a different reason that is allowed by the schema.
  
  
  Consult Documentation: Review the SAP documentation or help files related to document reversal and processing rules to understand the specific requirements for your scenario.
  
  
  Contact SAP Support: If you are unable to resolve the issue through configuration changes, consider reaching out to SAP support for assistance. They can provide guidance based on your specific system setup and configuration.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB08 (to reverse documents) and OBY6 (to configure document types and processing rules).
  Customizing Settings: If your organization has custom configurations, ensure that you have the necessary authorizations to view and modify these settings.
  Testing: After making any changes, perform a test reversal to ensure that the error does not occur again.
  
  By following these steps, you should be able to identify the cause of the FKKBIX2450 error and implement a solution to resolve it.