How To Fix TG489 - Drop table statements calculated for &1

SAP Error Message - Details

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 489

• Message text: Drop table statements calculated for &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.

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Smart SAP Assistant

• What is the cause and solution for SAP error message TG489 - Drop table statements calculated for &1 ?

  The SAP error message TG489, which states "Drop table statements calculated for &1," typically occurs in the context of database operations, particularly when dealing with database tables in SAP systems. This error can arise during various activities, such as transport requests, database migrations, or when executing certain database-related transactions.
  Cause:
  The error message TG489 indicates that there are drop table statements that have been calculated for a specific database object (represented by &1). This usually means that the system has determined that certain tables need to be dropped, possibly due to changes in the database schema or during a transport process. The underlying causes can include:
  
  Schema Changes: Changes in the database schema that require dropping and recreating tables.
  Transport Issues: Problems during the transport of objects that involve database changes.
  Inconsistent State: The database may be in an inconsistent state due to failed operations or incomplete migrations.
  
  Solution:
  To resolve the TG489 error, you can take the following steps:
  
  
  Check Transport Logs: Review the transport logs to identify any issues related to the transport request that may have triggered the error. Look for any failed objects or dependencies.
  
  
  Database Consistency Check: Perform a consistency check on the database to ensure that all objects are in a valid state. You can use transaction codes like SE14 (Database Utility) to check and adjust the database.
  
  
  Manual Intervention: If the system indicates that certain tables need to be dropped, you may need to manually drop those tables if they are no longer needed or if they are causing issues. Be cautious with this step, as dropping tables can lead to data loss.
  
  
  Re-transport Objects: If the error occurred during a transport, consider re-transporting the objects after ensuring that the source and target systems are in sync.
  
  
  Consult SAP Notes: Check the SAP Support Portal for any relevant SAP Notes that may address this specific error message. There may be patches or updates that can resolve the issue.
  
  
  Backup: Always ensure that you have a backup of your database before performing any operations that could lead to data loss.
  
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with transaction codes like SE14 (Database Utility) and SE09 (Transport Organizer) for managing database objects and transport requests.
  SAP Notes: Regularly check for SAP Notes related to database management and error messages for updates or fixes.
  Documentation: Review SAP documentation regarding database management and transport processes to understand 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.