%Error-UNSUPPORTED: t/t_event_copy.v:100:13: Assignment to and from event in statically scheduled context.
                                           : ... note: In instance 't'
                                           : Static event scheduling won't be able to handle this.
                                           : ... Suggest move the event into a completely dynamic context, eg. a class,  and reference it only from such context.
  100 |          e4 = e3;   
      |             ^
                    ... For error description see https://verilator.org/warn/UNSUPPORTED?v=latest
%Error-UNSUPPORTED: t/t_event_copy.v:101:13: Assignment to and from event in statically scheduled context.
                                           : ... note: In instance 't'
                                           : Static event scheduling won't be able to handle this.
                                           : ... Suggest move the event into a completely dynamic context, eg. a class,  and reference it only from such context.
  101 |          e3 = e2;   
      |             ^
%Error-UNSUPPORTED: t/t_event_copy.v:128:13: Assignment to event in statically scheduled context.
                                           : ... note: In instance 't'
                                           : Static event scheduling won't be able to handle this.
                                           : ... Suggest move the event into a completely dynamic context, eg. a class,  and reference it only from such context.
  128 |          e3 = null;
      |             ^
%Error: Exiting due to