How To Fix DT831 - Change in structure of field &

DT831 - Overview

• Message type: E = Error

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

• Message number: 831

• Message text: Change in structure of field &

What causes this issue?

The field occurs in both versions of the table. However, the type
definition for the field was changed.

System Response

The SAP version is adopted for the proposal.

How to fix this error?

Check whether changing the structure may result in loss of data.

Error message extract from SAP system. Copyright SAP SE.

DT831 - Details

• The SAP error message DT831, which states "Change in structure of field &," typically occurs when there is a mismatch in the data structure of a field in a database table or a data element. This can happen due to various reasons, such as changes in the underlying data model, updates to the database schema, or modifications in the data dictionary.
  
  Cause:
  
  Data Dictionary Changes: If there have been changes to the data dictionary (e.g., changes in field length, data type, or structure) that are not reflected in the program or report that is trying to access that field.
  Inconsistent Data Model: If the data model has been altered (e.g., adding or removing fields) and the program has not been updated accordingly.
  Transport Issues: If changes were transported from one system to another (e.g., from development to production) and the transport did not include all necessary objects or was not executed correctly.
  
  
  Solution:
  
  Check Data Dictionary: