How To Fix DT402 - Append structure & appended to table &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 402

• Message text: Append structure & appended to table &

What causes this issue?

When activating a table, the fields of all append structures which are
assigned to the activated table are automatically appended to the end.

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?

This message is only to inform you that the table was extended
accordingly.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT402 - Append structure & appended to table & ?

  The SAP error message DT402 typically indicates an issue related to the use of append structures in the context of database tables. This error can occur when there is a problem with the definition or usage of an append structure that is intended to extend a database table.
  Cause of the Error
  
  Inconsistent Data Dictionary: The append structure may not be properly defined or may have inconsistencies with the base table.
  Missing Authorization: The user may not have the necessary authorizations to modify the append structure or the base table.
  Table Lock: The base table or append structure may be locked by another user or process, preventing changes.
  Incorrect Data Types: The fields defined in the append structure may have data types that are incompatible with the base table.
  Transport Issues: If the append structure was transported from another system, there may be issues with the transport that need to be resolved.
  
  Solution
  
  Check Data Dictionary: Verify the definition of the append structure and ensure it is correctly defined in the Data Dictionary (SE11). Make sure that the fields in the append structure are compatible with the base table.
  Authorization Check: Ensure that the user has the necessary authorizations to modify the append structure and the base table. This can be checked in transaction SU53 or by consulting with your security team.
  Release Locks: If the table or append structure is locked, identify the user or process that is holding the lock and release it if appropriate. You can check for locks using transaction SM12.
  Data Type Compatibility: Review the data types of the fields in the append structure and ensure they match the expected types in the base table.
  Transport Validation: If the append structure was transported, check the transport logs for any errors and ensure that all necessary objects were included in the transport request.
  Rebuild the Append Structure: If the issue persists, consider deleting and recreating the append structure to ensure it is correctly defined.
  
  Related Information
  
  
  Transaction Codes: 
  
  SE11: Data Dictionary to view and edit table definitions and append structures.
  SE14: Database Utility to check and adjust database objects.
  SM12: To check for and manage table locks.
  SU53: To analyze authorization issues.
  
  
  
  SAP Notes: Check SAP Notes for any known issues or patches related to the specific error message. You can search for DT402 in the SAP Support Portal.
  
  
  Documentation: Review SAP documentation on append structures and database table extensions for best practices and guidelines.
  
  
  If the problem persists after trying the above solutions, it may be beneficial to consult with your SAP Basis or ABAP development team for further assistance.