How To Fix FKKBIX686 - Field &1 in billable item class &2 is not in include &3

FKKBIX686 - Overview

• Message type: E = Error

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

• Message number: 686

• Message text: Field &1 in billable item class &2 is not in include &3

What causes this issue?

The check of the work structures showed that the field &v1& of class
&v2& is not contained in customer include &v3&.

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?

The fields used in the class are automatically added to the work
structures when the configuration of the class is activated. Activate
the configuration of class &v2&.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

FKKBIX686 - Details

• The SAP error message FKKBIX686 indicates that there is an issue with a field in a billable item class that is not included in the specified include structure. This error typically arises in the context of billing or invoicing processes within SAP, particularly when working with the Contract Accounts Receivable and Payable (FI-CA) module.
  
  Cause:
  
  Field Definition Issue: The field specified in the error message (&1) is not defined in the include structure (&3) that is associated with the billable item class (&2). This can happen if the field was expected to be part of the structure but was not added or if there is a mismatch in the configuration.
  Custom Development: If there has been custom development or modifications to the standard SAP system, it is possible that the field was removed or not properly integrated into the include structure.
  Configuration Error: There may be a configuration error in the billable item class