How To Fix FKKINV057 - Grouping of additional items &1 is inconsistent

FKKINV057 - Overview

• Message type: E = Error

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

• Message number: 057

• Message text: Grouping of additional items &1 is inconsistent

trados = fi

What causes this issue?

One of the following errors has occurred for a billing document with
<DS:DE.REFDOCNO_KK>external document number</> &v2& in the
<DS:DE.LOGSYS>logical system</> &v3&:
In the billing document header you are using the
<DS:DE.ADD_GROUP_KK>grouping of additional items</> &v1&. However, there
are no additional items for this grouping.
In one of the items of the billing document, you are using the
<DS:DE.ADD_GROUP_KK>grouping of additional items</> &v1&. However, there
are no additional items for this grouping.
In one of the additional items of the billing document, you are using
the grouping of additional items . However, this grouping is not used in
either the document header or in a line item.

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.

FKKINV057 - Details

• The SAP error message FKKINV057 indicates that there is an inconsistency in the grouping of additional items in an invoice. This error typically arises in the context of contract accounts receivable and payable (FI-CA) when processing invoices that include additional items, such as discounts, surcharges, or other adjustments.
  
  Cause:
  The inconsistency can be caused by several factors, including:
  
  Incorrect Configuration: The settings for additional items in the FI-CA module may not be properly configured, leading to mismatches in how items are grouped.
  Data Entry Errors: Manual entry errors when creating or modifying invoices can lead to inconsistencies in the grouping of additional items.
  Missing or Incorrect Master Data: If the master data for the customer or the additional items is incomplete or incorrect, it can lead to grouping issues.
  Incompatible Item Types: The additional items being grouped may not be compatible with each other based on the defined rules in the system.
  
  
  Solution:
  To resolve the FKKINV057 error,