How To Fix DA660 - Unexpected ALTER TABLE return value &1

SAP Error Message - Details

• Message type: E = Error

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

• Message number: 660

• Message text: Unexpected ALTER TABLE return value &1

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.

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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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message DA660 - Unexpected ALTER TABLE return value &1 ?

  The SAP error message DA660, which states "Unexpected ALTER TABLE return value &1," typically occurs during database operations involving the modification of database tables. This error indicates that the database system returned an unexpected value when an ALTER TABLE command was executed, which can be due to various reasons.
  Causes:
  
  Database Compatibility Issues: The database version or configuration may not fully support the operations being attempted by SAP.
  Database Locking: The table may be locked by another transaction, preventing the ALTER TABLE command from executing successfully.
  Insufficient Privileges: The user executing the command may not have the necessary permissions to alter the table.
  Corrupted Database Objects: There may be corruption in the database schema or objects that are causing the command to fail.
  Inconsistent State: The database might be in an inconsistent state due to previous failed operations or transactions.
  
  Solutions:
  
  Check Database Logs: Review the database logs for more detailed error messages that can provide insight into the specific issue.
  Verify Database Version: Ensure that the database version is compatible with the version of SAP you are using. If necessary, consider upgrading the database.
  Check for Locks: Use database management tools to check if the table is locked by another transaction. If it is, you may need to wait for the lock to be released or terminate the blocking session.
  Review User Privileges: Ensure that the user executing the ALTER TABLE command has the necessary permissions. You may need to grant additional privileges.
  Database Consistency Check: Run consistency checks on the database to identify and repair any corruption or inconsistencies.
  Contact Support: If the issue persists, consider reaching out to SAP support or your database vendor for assistance.
  
  Related Information:
  
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP frequently publishes notes that provide solutions or workarounds for specific error messages.
  Database Documentation: Refer to the documentation for your specific database (e.g., Oracle, SQL Server, HANA) for details on the ALTER TABLE command and any limitations or requirements.
  SAP Community: Engage with the SAP Community forums to see if other users have encountered similar issues and what solutions they found effective.
  
  By following these steps, you should be able to diagnose and resolve the DA660 error in your SAP environment.