DT031 - Table type changed from &->& (Make database changes where required)

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 031

• Message text: Table type changed from &->& (Make database changes where required)

What causes this issue?

The table type has changed. Changes in database objects might have
become necessary.

System Response

This is a warning.

How to fix this error?

Some of the changes which have become necessary in existing database
objects when the table type changed are automatically carried out when
the table is activated.
If table activation was successfully terminated, no action is
necessary.
If the activation is cancelled, you must make the changes in the
database objects yourself using the database utility (SE14).

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT031 - Table type changed from &->& (Make database changes where required) ?

  The SAP error message DT031 indicates that there has been a change in the structure of a database table, specifically that the table type has changed from one type to another. This can occur during various operations, such as when a transport request is imported or when a table definition is modified in the Data Dictionary (SE11).
  Cause:
  The error message DT031 is triggered when:
  
  A table's structure has been altered, such as changing a table from a transparent table to a pooled table or vice versa.
  The table type has been modified in a way that is incompatible with existing database definitions.
  There are inconsistencies between the ABAP Dictionary and the actual database structure.
  
  Solution:
  To resolve the DT031 error, you need to ensure that the database structure matches the definitions in the ABAP Dictionary. Here are the steps you can take:
  
  
  Check the Table Definition:
  
  Go to transaction SE11 and check the definition of the table that is causing the error. Verify the table type and structure.
  
  
  
  Adjust the Database:
  
  If the table type has changed, you may need to adjust the database accordingly. This can involve:
  
  Using transaction SE14 (Database Utility) to adjust the database table.
  Running the "Activate" option in SE14 to synchronize the database with the ABAP Dictionary.
  
  
  
  
  
  Transport Requests:
  
  If the error occurred during a transport, ensure that all related objects are included in the transport request. Sometimes, missing objects can lead to inconsistencies.
  
  
  
  Check for Dependencies:
  
  Review any dependent objects (like views, indexes, or foreign keys) that might be affected by the change in table type. You may need to adjust or recreate these objects.
  
  
  
  Database Consistency Check:
  
  Perform a consistency check on the database using transaction SE14. This can help identify any discrepancies between the ABAP Dictionary and the actual database.
  
  
  
  Consult SAP Notes:
  
  Check the SAP Support Portal for any relevant SAP Notes that might address this specific error or provide additional guidance.
  
  
  
  Related Information:
  
  
  Transaction Codes:
  
  SE11: Data Dictionary
  SE14: Database Utility
  SE80: Object Navigator (for checking related objects)
  
  
  
  Documentation:
  
  SAP Help Portal and SAP Notes can provide additional context and troubleshooting steps for database-related issues.
  
  
  
  Backup:
  
  Always ensure you have a backup of your data before making changes to the database structure.
  
  
  
  By following these steps, you should be able to resolve the DT031 error and ensure that your database and ABAP Dictionary are in sync.