How To Fix AQ634 - Table is already being used

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 634

• Message text: Table is already being used

What causes this issue?

You have tried to add a table to the join that is already there. This
is only possible if you define an alias.

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?

Click on continue if you want to add the table again under an alias.
Choose "Re-enter" if you want to select another table.

Procedure for System Administrators

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AQ634 - Table is already being used ?

  The SAP error message AQ634, which states "Table is already being used," typically occurs when there is an attempt to perform an operation on a database table that is currently locked or in use by another process. This can happen in various scenarios, such as during data updates, table modifications, or when trying to access a table that is being used in a long-running transaction.
  Causes:
  
  Concurrent Access: Multiple users or processes are trying to access or modify the same table simultaneously.
  Long-Running Transactions: A transaction that is taking a long time to complete may hold a lock on the table, preventing other operations from proceeding.
  Database Locks: The database may have locks in place due to previous operations that have not yet been committed or rolled back.
  Background Jobs: Background jobs or batch processes that are running and accessing the same table can lead to this error.
  
  Solutions:
  
  Wait and Retry: If the error is due