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

SAP Error Message - Details

• 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.

Smart SAP Assistant

• What is the cause and solution for SAP error message TG453 - Table & loses customer fields although it was repaired ?

  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 fields.
  
  Solution:
  
  Recreate Customer Fields: If the customer fields are lost, you may need to recreate them manually in the Data Dictionary (SE11).
  Check Transport Requests: Ensure that all relevant transport requests containing the custom fields are correctly imported into the target system.
  Use the Data Dictionary: Use transaction SE11 to check the structure of the table and verify if the custom fields are present. If not, you may need to re-add them.
  Review Upgrade Documentation: If the issue arose after an upgrade, review the upgrade documentation to ensure that all customizations were properly handled.
  Backup and Restore: If you have a backup of the table structure before the repair, you can restore the custom fields from that backup.
  Consult SAP Notes: Check for any relevant SAP Notes that may address this specific issue. SAP frequently releases notes that provide solutions or workarounds for known issues.
  
  Related Information:
  
  SAP Support: If the issue persists, consider reaching out to SAP Support for assistance. They may have additional insights or patches available.
  Documentation: Maintain thorough documentation of all custom fields and modifications to facilitate easier recovery in case of issues.
  Testing: After making changes, always conduct thorough testing to ensure that the custom fields are functioning as expected and that no other issues have arisen.
  
  By following these steps, you should be able to address the TG453 error and prevent the loss of customer fields in the future.