%Error: t/t_pli_bad.v:10:7: Unsupported or unknown PLI call: '$unknown_pli_task'
   10 |       $unknown_pli_task;
      |       ^~~~~~~~~~~~~~~~~
%Error: t/t_pli_bad.v:11:7: Unsupported or unknown PLI call: '$unknown_pli_task'
   11 |       $unknown_pli_task("arg", i);
      |       ^~~~~~~~~~~~~~~~~
%Error: t/t_pli_bad.v:12:11: Unsupported or unknown PLI call: '$unknown_pli_function'
   12 |       i = $unknown_pli_function;
      |           ^~~~~~~~~~~~~~~~~~~~~
%Error: t/t_pli_bad.v:13:11: Unsupported or unknown PLI call: '$unknown_pli_function'
   13 |       i = $unknown_pli_function("arg", i);
      |           ^~~~~~~~~~~~~~~~~~~~~
%Error: t/t_pli_bad.v:15:7: Unsupported or unknown PLI call: '$sformatff'
                          : ... Suggested alternative: '$sformatf'
   15 |       $sformatff();   
      |       ^~~~~~~~~~
%Error: t/t_pli_bad.v:16:11: Unsupported or unknown PLI call: '$sformatff'
                           : ... Suggested alternative: '$sformatf'
   16 |       i = $sformatff();   
      |           ^~~~~~~~~~
%Error: Exiting due to