How To Fix FKKINV645 - Items with statistics key must be business-partner-relevant

FKKINV645 - Overview

• Message type: E = Error

• Message class: FKKINV - Invoicing in Contract Accounts Receivable and Payable

• Message number: 645

• Message text: Items with statistics key must be business-partner-relevant

What causes this issue?

You assigned the <DS:DE.STAKZ_KK>statistical indicator</> &v1& to a
billing document item that is marked as <DS:DE.NOT_BPREL_KK>Not Relevant
for Business Partner Items</>. This combination is not allowed, since
only business partner items can be posted for statistical items, and the
billing document items therefore have to be relevant for business
partner items.

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.

FKKINV645 - Details

• The SAP error message FKKINV645 indicates that there is an issue with the configuration of items that have a statistics key in the context of business partner relevance. This error typically arises in the SAP Convergent Charging or Contract Accounts Receivable and Payable (FI-CA) modules when processing invoices or related transactions.
  
  Cause:
  The error occurs when you attempt to process an item that has a statistics key assigned, but the item is not relevant to a business partner. In SAP, certain items that are associated with statistical data must be linked to a business partner to ensure proper tracking and reporting. If the item is not linked to a business partner, the system cannot process it correctly, leading to this error.
  
  Solution:
  To resolve the FKKINV645 error, you can take the following steps:
  
  
  Check Item Configuration:
  
  Review the configuration of the item in question. Ensure that it is set up to be relevant to a business