How To Fix AQ151 - Table & has already been assigned to the table &

SAP Error Message - Details

• Message type: E = Error

• Message class: AQ - Message texts for SAP Query

• Message number: 151

• Message text: Table & has already been assigned to the table &

What causes this issue?

You attempted to maintain a table that has already been linked, but
chose a different assignment to a logical database table than when
linking the table originally.

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?

If you want to change the WHERE condition of the table already linked
without changing the database table assignment, specify the correct
database table.
If you want to change the table of another database table, you must
first delete the table and then re-link it.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message AQ151 - Table & has already been assigned to the table & ?

  The SAP error message AQ151 indicates that a table has already been assigned to another table in the context of the SAP system. This typically occurs when you are trying to assign a table to a new object or configuration, but the table is already linked to an existing object, which can lead to conflicts.
  Cause:
  
  Duplicate Assignment: The table you are trying to assign is already associated with another object or configuration.
  Configuration Error: There may be an error in the configuration settings where the same table is being referenced multiple times.
  Transport Issues: If you are working in a transport environment, the table might have been transported to another system, causing conflicts.
  
  Solution:
  
  Check Existing Assignments: Review the current assignments of the table in the system. You can do this by checking the relevant configuration settings or using transaction codes like SE11 (Data Dictionary) or SE14 (Database Utility).
  Remove or Modify Assignment: If the table is indeed assigned to another object and you need to reassign it, you may need to remove the existing assignment or modify it to allow for the new assignment.
  Consult Documentation: Refer to SAP documentation or help resources for specific guidance on the table and its intended use.
  Transport Management: If this issue arises in a transport scenario, ensure that the transport requests are correctly managed and that there are no conflicts between different systems.
  Contact SAP Support: If you are unable to resolve the issue, consider reaching out to SAP support for assistance, especially if this is affecting critical business processes.
  
  Related Information:
  
  Transaction Codes: Familiarize yourself with relevant transaction codes such as SE11 (Data Dictionary), SE14 (Database Utility), and SE80 (Object Navigator) to investigate the issue further.
  SAP Notes: Check for any SAP Notes related to this error message, as they may provide specific fixes or workarounds.
  System Logs: Review system logs for any additional error messages or warnings that may provide more context about the issue.
  
  By following these steps, you should be able to identify the cause of the AQ151 error and implement a suitable solution.