How To Fix TG456 - Customer field & at position &, type & &, is being deleted from the table

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 456

• Message text: Customer field & at position &, type & &, is being deleted from the table

What causes this issue?

The table is to be converted. The specified field and its data will
be removed from the table.

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?

INCLUDE 'DDFD_SOLUTION' OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message TG456 - Customer field & at position &, type & &, is being deleted from the table ?

  The SAP error message TG456 indicates that a customer field is being deleted from a table, which typically occurs during a data migration or system upgrade process. This message is part of the SAP system's validation checks to ensure data integrity and consistency.
  Cause:
  
  Field Deletion: The specific customer field mentioned in the error message is being removed from the database table. This could be due to changes in the data model, such as a field being deprecated or replaced.
  Data Migration: If you are migrating data from one system to another or upgrading your SAP system, the migration process may not account for certain custom fields, leading to their deletion.
  Configuration Changes: Changes in the configuration of the SAP system, such as modifications to the data structure or table definitions, can also lead to this error.
  
  Solution:
  
  Review Custom Fields: Check the custom fields in the relevant table to understand why they are being deleted. You may need to consult with your development team or SAP consultants to determine if these fields are still needed.
  Adjust Migration Scripts: If this error occurs during a data migration, ensure that your migration scripts are correctly handling the custom fields. You may need to modify the scripts to retain these fields or map them to new fields in the target system.
  Update Configuration: If the deletion is due to configuration changes, review the changes made to the data model and ensure that all necessary fields are retained. You may need to adjust the configuration to prevent the deletion of important fields.
  Backup Data: Before making any changes, ensure that you have a backup of your data. This will allow you to restore the original state if needed.
  Consult SAP Documentation: Refer to SAP's official documentation or support channels for guidance on handling custom fields and data migrations.
  
  Related Information:
  
  SAP Notes: Check for any relevant SAP Notes that may address this specific error or provide guidance on handling custom fields during upgrades or migrations.
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary) to view the structure of the table and the fields involved.
  Testing: After making changes, conduct thorough testing to ensure that the system behaves as expected and that no critical data is lost.
  
  If the issue persists or if you need further assistance, consider reaching out to SAP support or your internal SAP team for more tailored help.