How To Fix FKKBIX645 - Definition of discount/charge key &1 (&2) contains errors

SAP Error Message - Details

• Message type: E = Error

• Message class: FKKBIX - Conv.Inv.: Billing (Invoice Preprocessing)

• Message number: 645

• Message text: Definition of discount/charge key &1 (&2) contains errors

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

How to fix this error?

Check the system settings for the discount/charge key.
INCLUDE FICA_NA_CUST_2 OBJECT DOKU ID TX
For the discount/charge key involved, choose @38@ <LS>Check</> to have
the system display the error messages for it.

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 FKKBIX645 - Definition of discount/charge key &1 (&2) contains errors ?

  The SAP error message FKKBIX645 indicates that there is an issue with the definition of a discount or charge key in the system. This error typically arises when the configuration for a discount or charge key is incomplete or contains invalid entries. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Invalid Configuration: The discount or charge key defined in the system has missing or incorrect parameters.
  Data Inconsistency: There may be inconsistencies in the data related to the discount/charge key, such as incorrect account assignments or missing required fields.
  Custom Development: If there are custom developments or enhancements, they might not be correctly handling the discount/charge key.
  Authorization Issues: Sometimes, the user may not have the necessary authorizations to access or modify the discount/charge key.
  
  Solution:
  
  
  Check Configuration:
  
  Go to the configuration settings for the discount/charge key in the SAP system (Transaction code: SPRO).
  Navigate to the relevant section (e.g., Financial Accounting > Accounts Receivable and Accounts Payable > Business Transactions > Incoming Payments > Define Discount/Charge Keys).
  Verify that all required fields are filled out correctly and that there are no inconsistencies.
  
  
  
  Review Error Details:
  
  Check the details of the error message for specific information about what is wrong with the discount/charge key.
  Look for any additional messages or logs that might provide more context.
  
  
  
  Test with Different Keys:
  
  If possible, test the transaction with a different discount/charge key to see if the issue is specific to one key.
  
  
  
  Consult Documentation:
  
  Refer to SAP documentation or help files for guidance on the correct configuration of discount/charge keys.
  
  
  
  User Authorizations:
  
  Ensure that the user encountering the error has the necessary authorizations to access and modify the discount/charge key.
  
  
  
  Contact SAP Support:
  
  If the issue persists after checking the configuration and authorizations, consider reaching out to SAP support for further assistance.
  
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SPRO (for configuration), SE11 (for data dictionary), and SE37 (for function modules) that may help in troubleshooting.
  SAP Notes: Check for any SAP Notes related to FKKBIX645 for known issues and patches.
  Community Forums: Engage with SAP community forums or user groups where similar issues may have been discussed.
  
  By following these steps, you should be able to identify and resolve the issue related to the FKKBIX645 error message in SAP.