Search help parameter & is assigned parameters & and & of search help &

What causes this issue?

When <DS:TX.DDDOK_SHLP_INCLUDE>including</> search help &V4& in the
collective search help, you assigned two parameters of the included
search help &V4& (namely &V2& and &V3&) to
<DS:TX.DDDOK_SHLP_PARAMETER>parameter</> &V1& of the collective search
help. This is not permitted.

System Response

INCLUDE DDDOC_CANCEL

How to fix this error?

Check the parameter assignments for the inclusion of search help &V4&
in the particular collective search help. Make sure that only one
parameter of search help &V4& is assigned to parameter &V1&.
INCLUDE DDDOC_SHLP_HANDLE

Procedure for System Administrators

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

Error message extract from SAP system. Copyright SAP SE.