How To Fix WLC_PARALLEL041 - The two tables to be selected must be different (&1)

SAP Error Message - Details

• Message type: E = Error

• Message class: WLC_PARALLEL - Load Distribution and External Parallel Processing

• Message number: 041

• Message text: The two tables to be selected must be different (&1)

What causes this issue?

The worklist should be read generically from two tables. However, they
must be two different tables. You entered table &V1& for both the
<DS:DE.WLC_PRESELECT_PRIMARY_TABLE>Primary table</> and the
<DS:DE.WLC_PRESELECT_SECONDARY_TABLE>Secondary table</>.

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?

Check in <DS:TRAN.WLCPARC>Customizing</> for the report &V2& in which
of the two named fields the incorrect table has been entered and
correct the table name.
For further information on Customizing and how it works, see the report
documentation <DS:RE.RWLC_PROCESS_IN_PARALLEL>RWLC_PROCESS_IN_PARALLEL
</>.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message WLC_PARALLEL041 - The two tables to be selected must be different (&1) ?

  The SAP error message WLC_PARALLEL041 indicates that there is an issue with a parallel processing operation where two tables that are supposed to be selected must be different, but they are not. This error typically arises in scenarios involving parallel processing or data selection where the system expects distinct tables for processing.
  Cause:
  The error occurs when the same table is specified for both selections in a parallel processing context. This can happen due to:
  
  Incorrect configuration in the selection criteria.
  A programming error in ABAP code where the same table is referenced multiple times unintentionally.
  Misunderstanding of the requirements for the parallel processing operation.
  
  Solution:
  To resolve the error, you can take the following steps:
  
  
  Check Selection Criteria: Review the selection criteria in your parallel processing configuration. Ensure that the two tables specified for selection are indeed different.
  
  
  Review ABAP Code: If you are working with custom ABAP code, check the logic where the tables are defined. Make sure that you are not inadvertently using the same table for both selections.
  
  
  Debugging: If you are unable to identify the issue, consider using the debugger to step through the code and see where the table selections are being made. This can help pinpoint the exact location of the error.
  
  
  Consult Documentation: Refer to SAP documentation or help resources related to parallel processing to ensure that you are following the correct procedures and guidelines.
  
  
  Testing: After making changes, test the process again to ensure that the error is resolved and that the parallel processing works as expected.
  
  
  Related Information:
  
  Parallel Processing: This is a technique used in SAP to improve performance by executing multiple processes simultaneously. It is often used in data extraction, reporting, and batch processing.
  SAP Notes: Check SAP Notes for any known issues or patches related to this error message. Sometimes, SAP releases updates that address specific error messages or bugs.
  Community Forums: Consider searching or posting on SAP community forums or platforms like SAP Community, Stack Overflow, or other technical forums where SAP professionals discuss similar issues.
  
  By following these steps, you should be able to identify and resolve the cause of the WLC_PARALLEL041 error in your SAP environment.