How To Fix DT408 - Append structure & no longer found

SAP Error Message - Details

• Message type: E = Error

• Message class: DT - Table activation (incl. indexes)

• Message number: 408

• Message text: Append structure & no longer found

What causes this issue?

An append structure was added to the table or structure in the previous
version, but it cannot now be found.

System Response

The table or structure is activated without the fields of the append
structure. The adjustment in the database may still be necessary for
tables.

How to fix this error?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT408 - Append structure & no longer found ?

  The SAP error message DT408 typically indicates that an append structure that was previously associated with a table or structure is no longer found. This can occur for various reasons, such as changes in the data dictionary, deletion of the append structure, or issues with transport requests.
  Cause:
  
  Deletion of Append Structure: The append structure may have been deleted or not transported correctly to the system where the error is occurring.
  Transport Issues: If the append structure was created in a development environment and not properly transported to the quality or production environment, it may not exist in those environments.
  Changes in Data Dictionary: Changes made to the underlying table or structure that the append was associated with can lead to this error.
  Inconsistent System State: If there are inconsistencies between the development, quality, and production systems, it can lead to this error.
  
  Solution:
  
  Check for Existence: Verify if the append structure exists in the relevant system. You can do this by navigating to the Data Dictionary (SE11) and checking the append structure.
  Transport the Append Structure: If the append structure exists in the development environment but not in the target environment, ensure that it is included in a transport request and transported correctly.
  Recreate the Append Structure: If the append structure was deleted, you may need to recreate it. Ensure that it is properly defined and activated.
  Check for Dependencies: Ensure that there are no dependencies or references to the append structure in your code or configuration that need to be addressed.
  System Consistency Check: Perform a consistency check across your systems to ensure that all objects are in sync.
  
  Related Information:
  
  Transaction Codes: Use SE11 (Data Dictionary) to check the append structure and SE09/SE10 for transport requests.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message.
  Debugging: If the error occurs during a specific transaction or program, consider debugging the program to identify where the error is being triggered.
  Documentation: Review any documentation related to the changes made in the data dictionary or transport processes to understand the context of the error.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.