How To Fix TG521 - Indexes may not be deleted in this upgrade status (&)

TG521 - Overview

• Message type: E = Error

• Message class: TG - Messages for Upgrade Repository Switch

• Message number: 521

• Message text: Indexes may not be deleted in this upgrade status (&)

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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Smart SAP Assistant

• What is the cause and solution for SAP error message TG521 - Indexes may not be deleted in this upgrade status (&) ?

  The SAP error message TG521 indicates that there are indexes in the database that cannot be deleted due to the current upgrade status of the system. This typically occurs during a system upgrade or when performing certain database operations where the system expects certain indexes to be present.
  
  Cause:
  
  Upgrade Status: The system is in a specific upgrade status where certain database operations are restricted. This can happen if the upgrade process has not been completed or if there are pending tasks that need to be resolved.
  Database Integrity: The system may be trying to maintain the integrity of the database by preventing the deletion of indexes that are still required for the current operations or data structures.
  Custom Indexes: If there are custom indexes that were created, they may not be recognized by the upgrade process, leading to this error.
  
  
  Solution:
  
  Check Upgrade Status: Ensure that the upgrade process is fully completed. You can check