How To Fix TG453 - Table & loses customer fields although it was repaired

TG453 - Overview

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 453

• Message text: Table & loses customer fields although it was repaired

What causes this issue?

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

INCLUDE 'DDFD_DEL' OBJECT DOKU ID TX
The specified table was detected as user-modified by the object
filter of transaction SPDD. A repair request was created for the table
during the adjustment.

System Response

During the conversion, the data contained in these fields is lost.

How to fix this error?

INCLUDE 'DDFD_SOLUTION' OBJECT DOKU ID TX

Error message extract from SAP system. Copyright SAP SE.

TG453 - Details

• The SAP error message TG453 indicates that a specific table (denoted by &) is losing customer fields even after a repair has been attempted. This issue typically arises in the context of modifications or enhancements made to standard SAP tables, particularly when there are changes in the underlying data model or when the system is upgraded.
  
  Cause:
  
  Table Repair: The error often occurs when a table repair is executed, which may inadvertently remove or overwrite customer fields that were added to the table.
  Data Dictionary Changes: Changes in the data dictionary, such as transport requests or modifications to the table structure, can lead to the loss of custom fields.
  Upgrade Issues: During an SAP upgrade, if the custom fields are not properly managed or documented, they may be lost.
  Transport Management: If the transport requests that include the custom fields are not correctly imported or are overwritten, this can lead to the loss of those