How To Fix DT844 - Create or extend append to table &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 844

• Message text: Create or extend append to table &

What causes this issue?

In <DS:TX.DOKU_RADTBFDS_PHASE1>Phase 1 of the adjustment procedure</>
for the table being edited, <DS:TX.DOKU_RADTBFDS_KUNDENFELD>customer
fields</> were found in the (non-key section). These were included in a
proposal for an <DS:TX.APPEND-STRUKTUR>append</> to the table.

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?

Transfer the <DS:TX.DOKU_RADTBFDS_KUNDENFELD>customer fields</> into an
existing or new <DS:TX.APPEND-STRUKTUR>append</> to the table.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT844 - Create or extend append to table & ?

  The SAP error message DT844 typically occurs when you are trying to create or extend an append structure for a table, and there are issues related to the table or the append structure itself. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Table Locking: The table you are trying to append to may be locked by another user or process.
  Authorization Issues: You may not have the necessary authorizations to create or extend append structures for the specified table.
  Table Type: The table you are trying to append to may not support append structures (e.g., certain system tables).
  Naming Conflicts: There may be existing append structures with the same name or conflicting names.
  Technical Settings: The technical settings of the table may not allow for appending.
  
  Solutions:
  
  Check Table Lock: Use transaction code SM12 to check if the table is locked by another user. If it is, you may need to wait until the lock is released.
  Verify Authorizations: Ensure that you have the necessary authorizations to create or modify append structures. You may need to contact your SAP security administrator.
  Check Table Type: Verify that the table you are trying to append to is a transparent table and supports append structures. You can check this in the Data Dictionary (SE11).
  Naming Conflicts: Check if there are existing append structures with the same name. You can do this in SE11 by looking at the append structures for the table.
  Technical Settings: Review the technical settings of the table in SE11 to ensure that it allows for appending. If necessary, consult with your ABAP developer or SAP Basis team.
  
  Related Information:
  
  Transaction Codes: 
  
  SE11: Data Dictionary to view and manage tables and append structures.
  SE14: Database Utility to check and adjust database settings.
  SM12: To check for table locks.
  
  
  Documentation: Refer to SAP Help documentation for more details on append structures and their limitations.
  SAP Notes: Check for any relevant SAP Notes that may address specific issues related to your version of SAP.
  
  If the problem persists after trying the above solutions, consider reaching out to your SAP support team or consulting the SAP Community for further assistance.