%Error: t/t_udp_bad_input_num.v:14:9: Incorrect number of input values, expected 3, got 2
                                    : ... note: In instance 'top'
   14 |         1 0  :   0;
      |         ^
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: Exiting due to