How To Fix CNV_PE_CHECK_V2048 - Extension table &1: Extension rule does not exist

CNV_PE_CHECK_V2048 - Overview

• Message type: E = Error

• Message class: CNV_PE_CHECK_V2 - Check Messages (Version 2020)

• Message number: 048

• Message text: Extension table &1: Extension rule does not exist

What causes this issue?

Extension tables are filled during the data selection with help of
extension rules. These rules are called in the target system and must be
available there. An extension rule for table &V1&. does <ZH>not</>
exist.

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?

Extension rules are created automatically when you add an extension
table to your source tables.
You <ZH>cannot</> create it yourself afterwards.
Contact SAP for support.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

CNV_PE_CHECK_V2048 - Details

• The SAP error message "CNV_PE_CHECK_V2048 Extension table &1: Extension rule does not exist" typically occurs during data migration or conversion processes, particularly when using the SAP S/4HANA Migration Cockpit or other data migration tools. This error indicates that the system is unable to find a defined extension rule for the specified extension table.
  
  Cause:
  
  
  Missing Extension Rule: The primary cause of this error is that the extension rule for the specified extension table (denoted by &1) has not been defined in the system. Extension rules are necessary for the system to understand how to handle additional fields or data structures that are not part of the standard table.
  
  
  
  Configuration Issues: There may be issues with the configuration of the migration project or the data model, leading to the absence of the required extension rules.
  
  
  Incorrect Table Name: The table name provided in the error message may be incorrect or not properly defined in the