%Error: t/t_class_localparam_dotref_bad.v:19:33: Can't find definition of scope/variable/func: 'nonexistent'
                                               : ... note: In instance 't'
   19 |   localparam int LP_BAD = inst::nonexistent;
      |                                 ^~~~~~~~~~~
        ... See the manual at https://verilator.org/verilator_doc.html?v=latest for more assistance.
%Error: Exiting due to