How To Fix BIL120 - The combination of basic rate &1 and fact group &2 already exists

BIL120 - Overview

• Message type: E = Error

• Message class: BIL - General billing

• Message number: 120

• Message text: The combination of basic rate &1 and fact group &2 already exists

What causes this issue?

In the billing schema extension for a schema, any combination of basic
rate and fact group may only occur once. However, the combination of
basic rate &V1& and fact group &V2& already exists in rate relationship
group &V3&. This is not permitted.

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.

Smart SAP Assistant

• What is the cause and solution for SAP error message BIL120 - The combination of basic rate &1 and fact group &2 already exists ?

  The SAP error message BIL120 indicates that there is a conflict in the billing configuration where a combination of a basic rate and a fact group already exists in the system. This typically occurs in the context of billing or invoicing processes, particularly when setting up or modifying billing rates.
  
  Cause:
  
  Duplicate Entry: The most common cause of this error is that there is already an existing entry in the system for the specified combination of basic rate and fact group. This can happen if you are trying to create a new billing rate that matches an existing one.
  Configuration Error: There may be a misconfiguration in the billing setup, where the same basic rate is inadvertently linked to multiple fact groups or vice versa.
  Data Migration Issues: If data has been migrated from another system or if there have been recent changes to the billing configuration, it may lead to duplicate entries.
  
  
  Solution:
  
  Check Existing