How To Fix BIL163 - A schema extension already exists for schema &1

BIL163 - Overview

• Message type: E = Error

• Message class: BIL - General billing

• Message number: 163

• Message text: A schema extension already exists for schema &1

What causes this issue?

During creation of the schema &v1& using a template, the schema
extension is also to be transferred. However, a schema extension already
exists for schema &v1&.

System Response

A schema extension cannot be transferred during creation using a
template for schema &v1&.

How to fix this error?

Do <ZH>not</> transfer the schema extension in the template.

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message BIL163 - A schema extension already exists for schema &1 ?

  The SAP error message BIL163 indicates that there is an attempt to create a schema extension for a schema that already has an existing extension. This typically occurs in the context of Business Intelligence (BI) or Business Warehouse (BW) when working with data models or InfoObjects.
  
  Cause:
  The error is caused by trying to create a new schema extension for a schema that already has one. This can happen if:
  
  You are trying to add a new extension to a schema that has already been extended.
  There is a misconfiguration in the system where the schema is being referenced incorrectly.
  There may be a duplicate entry in the system that is causing the conflict.
  
  
  Solution:
  To resolve the BIL163 error, you can take the following steps:
  
  
  Check Existing Extensions: 
  
  Go to the relevant transaction (e.g., RSA1 for Data Warehousing Workbench) and check the existing schema extensions for the schema in question. 
  Identify if there is indeed an existing