How To Fix DT766 - Load unit of table &1 changed from &2 to &3

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 766

• Message text: Load unit of table &1 changed from &2 to &3

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

To make things easier, more detailed information is frequently added to describe the issue, how to fix it, and the necessary steps or configuration modifications.

Unfortunately, there isn't any extra information in this error notice.

What else can you do?

First, use our AnswerBot below to get a possible cause and solution (requires a premium subscription).

Also, review the in-depth Common Questions & Answers listed below; you could discover a solution there or be able to connect with others who have faced similar challenges.

You can also try searching the SAP support portal (support.sap.com) but you need a special user ID to access it. It is possible that an SAP support note exists that provides additional details about the mistake or even steps for fixing it.

Smart SAP Assistant

• What is the cause and solution for SAP error message DT766 - Load unit of table &1 changed from &2 to &3 ?

  The SAP error message DT766 indicates that the load unit of a table has changed, which can occur during various operations such as data migration, table updates, or changes in the database structure. The message typically includes the name of the table (&1), the previous load unit (&2), and the new load unit (&3).
  Cause:
  
  Data Model Changes: Changes in the data model, such as modifications to the table structure or the addition of new fields, can lead to a change in the load unit.
  Database Configuration: Changes in the database configuration or settings can also affect how data is loaded and stored.
  Transport Requests: If a transport request is moved from one system to another, it may lead to discrepancies in load units if the target system has different configurations.
  Data Migration: During data migration processes, the load units may change due to the way data is being loaded into the system.
  
  Solution:
  
  Check Table Structure: Review the structure of the table in question to ensure that it aligns with the expected configuration. You can use transaction SE11 to view the table definition.
  Review Transport Requests: If the issue arose after a transport, check the transport logs to see if there were any errors or warnings related to the table.
  Database Settings: Verify the database settings and configurations to ensure they are consistent with the source system.
  Data Consistency Check: Run consistency checks on the affected table to identify any discrepancies or issues that may need to be resolved.
  Consult SAP Notes: Look for relevant SAP Notes that may address this specific error message or provide guidance on how to resolve it.
  Re-apply Changes: If the load unit change is not intended, you may need to revert the changes or reapply them correctly.
  
  Related Information:
  
  Transaction Codes: Use transaction codes like SE11 (Data Dictionary), SE14 (Database Utility), and SE03 (Transport Organizer) to investigate and manage the issue.
  SAP Notes: Search the SAP Support Portal for notes related to DT766 or similar error messages for specific guidance and patches.
  Documentation: Review SAP documentation related to data migration and table management for best practices and troubleshooting steps.
  
  If the issue persists after following these steps, it may be beneficial to consult with your SAP Basis team or reach out to SAP support for further assistance.