How To Fix CNV_PE_CHECK_V2046 - Extension table &1: Extension structure is inconsistent

CNV_PE_CHECK_V2046 - Overview

• Message type: E = Error

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

• Message number: 046

• Message text: Extension table &1: Extension structure is inconsistent

What causes this issue?

Extension tables have a special technical structure. They consist of two
parts:
predefined fields
user defined fields
Structure of table &V1& is <ZH>not</> conform to this required format.

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 tables are created automatically with required technical
structure.
You <ZH>cannot</> adjust or repair it using standard UIs.
Contact SAP for support.

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 CNV_PE_CHECK_V2046 - Extension table &1: Extension structure is inconsistent ?

  The SAP error message "CNV_PE_CHECK_V2046 Extension table &1: Extension structure is inconsistent" typically occurs during data migration or conversion processes, particularly when using the SAP Landscape Transformation (SLT) or SAP Data Services tools. This error indicates that there is an inconsistency in the structure of an extension table, which can prevent successful data processing.
  
  Cause:
  
  Inconsistent Structure: The extension table defined in the system does not match the expected structure. This could be due to missing fields, incorrect data types, or discrepancies between the source and target systems.
  
  Configuration Issues: The configuration settings for the data migration or conversion process may not be correctly set up, leading to mismatches in the expected data structure.
  Changes in Data Model: If there have been recent changes to the data model (e.g., adding or removing fields in the extension table), this can lead to inconsistencies.
  Transport Issues: If the extension table was transported from one system to another,