%Error: t/t_lint_iface_topmodule_bad.v:8:23: Parameter without default value is never given value (IEEE 1800-2023 6.20.1): 'DW'
                                           : ... note: In instance 't'
    8 |     parameter integer DW
      |                       ^~
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: Exiting due to