How To Fix FKKBIX687 - Field &1 in include &2 is not used in any billable item class

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 687

• Message text: Field &1 in include &2 is not used in any billable item class

What causes this issue?

The result of the check of the work structures is that the &v1& field in
customer include &v2& is not used in any billable item class.

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?

Fields that are not used place an unnecessary burden on the working
memory of processes that process billable items. To reduce the need for
working memory, you can remove the &v1& field from structure &v2& in the
Data Dictionary, as long as the field is not used in any customer
programs.

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 FKKBIX687 - Field &1 in include &2 is not used in any billable item class ?

  The SAP error message FKKBIX687 indicates that a specific field (denoted as &1) in a particular include (denoted as &2) is not being utilized in any billable item class. This error typically arises in the context of billing or invoicing processes within SAP, particularly in the Contract Accounts Receivable and Payable (FI-CA) module.
  Cause:
  
  Field Configuration: The field specified in the error message is likely configured in the system but is not linked to any billable item class. This can happen if the field was added or modified in the configuration but not properly associated with the relevant billing item classes.
  Missing Customization: If there have been recent changes or customizations in the billing process, it’s possible that the necessary adjustments to link the field to the billable item class were not made.
  Data Inconsistency: There may be inconsistencies in the data or configuration settings that prevent the system from recognizing the field as valid for the specified item class.
  
  Solution:
  
  Check Field Configuration: Review the configuration settings for the field in question. Ensure that it is correctly defined and associated with the appropriate billable item classes.
  Link Field to Item Class: If the field is not linked to any billable item class, you will need to update the configuration to associate it with the relevant classes. This can typically be done in the Customizing settings under the FI-CA module.
  Review Include Program: Check the include program specified in the error message to understand how the field is being used and ensure that it is correctly implemented.
  Testing: After making the necessary changes, perform tests to ensure that the error no longer occurs and that the billing process functions as expected.
  Consult Documentation: Refer to SAP documentation or notes related to the specific field and billing item classes for additional guidance.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like SPRO (to access the Customizing settings) or SE80 (to view the include program) to investigate and make changes.
  SAP Notes: Check for any relevant SAP Notes that might address this specific error or provide additional insights into the configuration of billable item classes.
  Support: If the issue persists after attempting the above solutions, consider reaching out to SAP support or consulting with an SAP FI-CA expert for further assistance.
  
  By following these steps, you should be able to resolve the FKKBIX687 error and ensure that the field is properly utilized in your billing processes.