How To Fix DA644 - Table & change von Row to Column Store; DB version already correct

DA644 - Overview

• Message type: E = Error

• Message class: DA - Dictionary: Compare, distribution, timer, instantiation

• Message number: 644

• Message text: Table & change von Row to Column Store; DB version already correct

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.

DA644 - Details

• The SAP error message DA644 indicates an issue related to the database table storage format, specifically when trying to change a table from row store to column store in SAP HANA. The message suggests that the database version is already correct, which means that the underlying database supports the desired storage format, but there may be other issues preventing the change.
  
  Cause:
  
  Incompatible Table Structure: The table may have certain characteristics or constraints that prevent it from being converted from row store to column store.
  Existing Data: If the table contains data that is not compatible with column store format, the conversion will fail.
  Database Configuration: There may be settings or configurations in the database that are not aligned with the requirements for column store tables.
  SAP Version: The version of SAP you are using may have specific limitations or bugs related to table conversion.
  
  
  Solution:
  
  Check Table Characteristics: Review the table structure and ensure that it