How To Fix FKKBIX2453 - Exception reason &1 does not match processing rule 3 for schema &2

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 453

• Message text: Exception reason &1 does not match processing rule 3 for schema &2

What causes this issue?

<DS:DE.CIT_DCPROCRULE_KK>Processing rule</> 3 requires maintenance of an
<DS:DE.CITEXCREASON_KK>exception 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 FKKBIX2453 - Exception reason &1 does not match processing rule 3 for schema &2 ?

  The SAP error message FKKBIX2453 indicates that there is a mismatch between the exception reason specified in the processing of a financial document and the processing rules defined in the schema for that document. This typically occurs in the context of financial accounting, particularly when dealing with payment processing or invoice management.
  Cause:
  The error arises when:
  
  An exception reason (e.g., a reason for a payment block or a specific processing condition) is not aligned with the rules defined in the schema for processing financial documents.
  The schema being used does not recognize the exception reason provided, leading to a conflict in processing.
  
  Solution:
  To resolve this error, you can take the following steps:
  
  
  Check the Exception Reason: Verify the exception reason being used in the transaction. Ensure that it is valid and correctly defined in the system.
  
  
  Review the Schema Configuration:
  
  Go to the configuration settings for the schema in question (transaction code: OBPM1 for payment processing or OBR1 for invoice processing).
  Check the processing rules defined for the schema and ensure that they include the exception reason you are trying to use.
  
  
  
  Modify the Schema:
  
  If the exception reason is valid but not included in the schema, you may need to modify the schema to accommodate it. This may involve adding a new processing rule or adjusting existing ones.
  
  
  
  Consult Documentation: Refer to SAP documentation or help resources for specific details on the schema and exception reasons relevant to your version of SAP.
  
  
  Testing: After making changes, test the transaction again to ensure that the error is resolved.
  
  
  Consult with SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is a production environment.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as FB60 (Enter Incoming Invoices), F110 (Automatic Payment Transactions), and OBPM1/OBR1 (for schema configuration).
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide additional insights or patches.
  User Exits and BAdIs: If custom logic is involved, review any user exits or BAdIs that might be affecting the processing of financial documents.
  
  By following these steps, you should be able to identify the root cause of the FKKBIX2453 error and implement a suitable solution.