How To Fix TG450 - Table & is losing customer fields, although it did not appear in SPDD


TG450 - Overview

  • Message type: E = Error

  • Message class: TG - Messages for Upgrade Repository Switch

  • Message number: 450

  • Message text: Table & is losing customer fields, although it did not appear in SPDD

  • Show details Hide details
  • 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 not recognized as user-modified by the object
    filter of transaction SPDD. Probably fields were inserted without
    setting the repair flag for the table.

    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 TG450 - Table & is losing customer fields, although it did not appear in SPDD ?
    The SAP error message TG450 typically indicates that there is an issue with a table losing customer fields during a system upgrade or support package installation. This can happen when the system attempts to adjust the database structure, and it may not properly recognize or retain custom fields that have been added to standard SAP tables.
    
    Cause: Table Modification: The table in question may have been modified in a way that is not recognized by the upgrade process. This can happen if custom fields were added directly to the database without proper SAP enhancement techniques. Upgrade Process: During an upgrade or support package installation, the system may attempt to adjust the structure of the table, leading to the loss of custom fields if they are not properly handled. SPDD (SAP Package Development Dictionary): If the custom fields do not appear in SPDD, it indicates that the system did not recognize them as valid modifications,

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