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.