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

DT855 - Overview

• 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