How To Fix FKK_ID_XX_ODN112 - Sub-ID must be unique

FKK_ID_XX_ODN112 - Overview

• Message type: E = Error

• Message class: FKK_ID_XX_ODN - ODN message

• Message number: 112

• Message text: Sub-ID must be unique

What causes this issue?

The document contains line item data from which the system derives
different sub-ID values. This is because the system setting for document
grouping and sub-ID Customizing do not match.

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

System Response

Since the sub-ID must be unique for a document, the system cancels
processing to avoid short dumps during official document numbering.

How to fix this error?

Post a document that contains consistent line item data to derive a
unique sub-ID value from the Customizing data.

Procedure for System Administrators

You have the following options:
Adjust the document grouping.
Adjust Customizing for the sub-ID. Note that you have to create a new
metadata schema.

Error message extract from SAP system. Copyright SAP SE.

FKK_ID_XX_ODN112 - Details

• The SAP error message FKK_ID_XX_ODN112 with the description "Sub-ID must be unique" typically occurs in the context of contract accounts or billing documents in the SAP Convergent Charging or Contract Accounts Receivable and Payable (FI-CA) module. This error indicates that there is a violation of the uniqueness constraint for a specific identifier (Sub-ID) in the system.
  
  Cause:
  
  Duplicate Sub-ID: The most common cause of this error is that the Sub-ID you are trying to enter already exists in the system. Each Sub-ID must be unique within the context it is being used (e.g., within a specific contract account or billing document).
  Data Entry Error: There may have been a mistake in data entry, leading to the attempt to create or update a record with a Sub-ID that is already in use.
  System Configuration: In some cases, the system configuration may not be set up correctly to handle unique identifiers, leading to conflicts.
  
  
  Solution:
  
  Check Existing Sub-IDs: