How To Fix DT855 - Start: Append new fields to table &

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 855

• Message text: Start: Append new fields to table &

What causes this issue?

In this part of the adjustment procedure, the fields added to the
table by SAP are appended 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?

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT855 - Start: Append new fields to table & ?

  The SAP error message DT855 typically occurs when you are trying to append new fields to a database table in the Data Dictionary (DDIC) and there are issues related to the structure or configuration of the table. Here’s a breakdown of the cause, potential solutions, and related information:
  Cause:
  
  Table Locking: The table you are trying to modify may be locked by another user or process.
  Data Dictionary Issues: There may be inconsistencies or issues in the Data Dictionary that prevent the modification.
  Field Naming Conflicts: The new fields you are trying to add may have naming conflicts with existing fields or reserved keywords.
  Transport Issues: If you are working in a transport environment, there may be issues with the transport layer that prevent changes from being made.
  Authorization Issues: The user may not have the necessary authorizations to modify the table structure.
  
  Solutions:
  
  Check Table Lock: Use transaction code SM12 to check if the table is locked and by whom. If it is locked, you may need to wait for the lock to be released or contact the user who has locked it.
  Review Data Dictionary: Use transaction code SE11 to check the table definition and ensure there are no inconsistencies. You can also use the "Check" function to identify any issues.
  Field Naming: Ensure that the new field names do not conflict with existing fields or reserved keywords. Use unique and descriptive names for new fields.
  Transport Management: If you are in a transport environment, ensure that the transport requests are correctly configured and that there are no issues with the transport layer.
  Authorization Check: Verify that you have the necessary authorizations to modify the table. You may need to contact your SAP security team to ensure you have the right permissions.
  Use the Correct Method: If you are using a specific method to append fields (like using a program or a specific transaction), ensure that you are following the correct procedure as per SAP guidelines.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and SM12 (Lock Entries).
  SAP Notes: Check SAP Notes for any known issues related to the error message DT855. You can search for specific notes in the SAP Support Portal.
  Documentation: Refer to SAP documentation for guidelines on modifying database tables and best practices for appending fields.
  
  If the issue persists after trying the above solutions, consider reaching out to your SAP Basis or development team for further assistance.