How To Fix TG452 - Table & loses customer fields, as it was reset to the SAP standard

TG452 - Overview

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 452

• Message text: Table & loses customer fields, as it was reset to the SAP standard

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 ws recognized as user-modified by the object filter
of transaction sPDD. During the adjustment, the option
"Return to SAP standard" was selected for the table.

System Response

Data is lost in these fields during the conversion.

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 TG452 - Table & loses customer fields, as it was reset to the SAP standard ?

  The SAP error message TG452 indicates that a specific table has lost its customer fields because it has been reset to the SAP standard. This typically occurs during system upgrades, support package installations, or when certain configuration changes are made that affect the table structure.
  
  Cause:
  
  System Upgrade or Support Package: During an upgrade or the application of a support package, SAP may reset customizations to ensure compatibility with the new version.
  Transport Requests: If a transport request is incorrectly configured or if it overwrites existing customizations, it can lead to the loss of customer fields.
  Manual Changes: Manual changes to the table structure or configuration settings can inadvertently reset the table to its standard state.
  Development Errors: Errors in development or configuration can lead to unintended consequences, including the loss of custom fields.
  
  
  Solution:
  
  Restore from Backup: If you have a backup of the table structure or the system prior to the change, you can restore