How To Fix CNV_10020671 - &1 is a standard table; changes are not allowed

CNV_10020671 - Overview

• Message type: E = Error

• Message class: CNV_10020 - Message class for package 10020

• Message number: 671

• Message text: &1 is a standard table; changes are not allowed

What causes this issue?

&V1& is a SAP standard table. The settings for SAP standard tables
should be correct and they should remain unchanged.

How to fix this error?

If you still want to change the settings, please contact SAP support by
opening an OSS message.

Error message extract from SAP system. Copyright SAP SE.

CNV_10020671 - Details

• The SAP error message CNV_10020671 indicates that an attempt was made to modify a standard table, which is not allowed in SAP systems. This error typically arises during data migration or conversion processes, especially when using tools like SAP's Data Migration Workbench or during custom development.
  
  Cause:
  
  Modification Attempt: The error occurs when a program or a user tries to insert, update, or delete records in a standard SAP table that is not meant to be modified directly.
  Data Migration: During data migration, if the migration tool tries to write to a standard table, it will trigger this error.
  Custom Code: Custom ABAP code that attempts to modify standard tables without using the appropriate BAPIs or function modules can also lead to this error.
  
  
  Solution:
  
  
  Use BAPIs or Function Modules: Instead of directly modifying standard tables, use the appropriate Business Application Programming Interfaces (BAPIs) or function modules provided by SAP. These are designed to handle data