How To Fix AQ495 - Table & deleted (use Help)

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 495

• Message text: Table & deleted (use Help)

What causes this issue?

The logical database used to create the InfoSet has been changed and is
incompatible. The table specified in the error message has been deleted
from the tree. However, this table is still analyzed by queries using
this InfoSet.
The InfoSet cannot be used or regenerated as long as there are still
queries which analyze the table in the tree.

System Response

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

How to fix this error?

By choosing <PF>Goto -> Query directory</> on the initial screen for
InfoSets, find out which queries of the InfoSet use the table in
question and either delete these queries or change them so that the
table is no longer used. You can then try to change or generate the
InfoSet again.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AQ495 - Table & deleted (use Help) ?

  The SAP error message AQ495 indicates that a specific table has been deleted, and it suggests using the Help function for more information. This error typically arises in the context of database operations, where the system is trying to access a table that no longer exists in the database.
  Cause:
  
  Table Deletion: The most straightforward cause is that the table in question has been deleted from the database. This could happen due to a manual deletion, a data archiving process, or a system upgrade/migration that did not properly handle the table.
  Incorrect Configuration: Sometimes, the error can occur due to incorrect configuration settings or missing dependencies that lead to the system trying to access a non-existent table.
  Transport Issues: If the table was part of a transport request that was not properly imported, it could lead to this error.
  Database Issues: Corruption or issues within the database itself could also lead to tables being inaccessible or appearing as deleted.
  
  Solution:
  
  Check Table Existence: Use transaction codes like SE11 (Data Dictionary) or SE16 (Data Browser) to check if the table exists in the database. If it does not, you may need to restore it from a backup or recreate it.
  Review Change Logs: Check the change logs or transport logs to see if there was a recent deletion or modification of the table.
  Re-import Transport Requests: If the table was part of a transport request, ensure that the transport was correctly imported into the target system.
  Database Recovery: If the table was deleted accidentally, you may need to restore it from a database backup.
  Consult Documentation: Use the Help function in SAP (F1) to get more context about the error message and any specific actions recommended by SAP.
  Contact SAP Support: If the issue persists and you cannot resolve it, consider reaching out to SAP support for assistance.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11, SE16, and SE37 (for function modules) to investigate further.
  SAP Notes: Check SAP Notes for any known issues related to this error message. SAP Notes often provide patches or workarounds for specific problems.
  System Logs: Review system logs (SM21) for any related errors or warnings that could provide additional context.
  Database Administration: If you have access, consult with your database administrator to check for any underlying database issues.
  
  By following these steps, you should be able to diagnose and potentially resolve the AQ495 error in your SAP system.