How To Fix TG459 - **** Deletions of customer fields have been discovered

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 459

• Message text: **** Deletions of customer fields have been discovered

What causes this issue?

It was found that customer fields (and therefore also the data
contained in them) could be accidentally lost due to the conversions
caused by the update.

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 TG459 - **** Deletions of customer fields have been discovered ?

  The SAP error message TG459, which states "Deletions of customer fields have been discovered," typically occurs when there are inconsistencies or issues related to custom fields in the SAP system. This error is often encountered during data migration, system upgrades, or when changes are made to the data model.
  Cause:
  
  Field Deletion: The error indicates that certain custom fields that were previously defined in the system have been deleted or are no longer available.
  Data Inconsistency: There may be existing data that references these deleted fields, leading to inconsistencies.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production), it’s possible that the transport did not include all necessary objects or that some objects were deleted in the target system.
  Configuration Changes: Changes in the configuration or data model that affect custom fields can also trigger this error.
  
  Solution:
  
  Check Custom Fields: Review the custom fields in the relevant data model or table to ensure they exist and are correctly configured.
  Data Cleanup: If the fields are no longer needed, you may need to clean up any data that references these fields to avoid inconsistencies.
  Recreate Fields: If the fields were deleted by mistake, consider recreating them in the system.
  Transport Review: If the issue arose after a transport, review the transport logs to ensure that all necessary objects were included and that no deletions occurred unintentionally.
  Consult Documentation: Check SAP notes or documentation related to the specific version of SAP you are using, as there may be specific guidelines or patches available.
  System Check: Run consistency checks in the system to identify any other potential issues related to custom fields.
  
  Related Information:
  
  SAP Notes: Search for relevant SAP Notes in the SAP Support Portal that may address this specific error or provide additional troubleshooting steps.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they have found.
  Backup and Restore: If the issue is critical and cannot be resolved quickly, consider restoring from a backup if available, but ensure that this is done with caution to avoid further data loss.
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with an SAP expert or your organization's SAP support team for further assistance.