Which one did you use:
ETraceTypeQuery traceType = ETraceTypeQuery::TraceTypeQuery1;
TEnumAsByte <ETraceTypeQuery> traceTypeAsByte = traceType;
TArray < TEnumAsByte < enum ETraceTypeQuery> > arrayTraceTypeAsByte;
arrayTraceTypeAsByte.Add(traceTypeAsByte); // error here
or
TArray<TEnumAsByte<enum ETraceTypeQuery> > EnumPropertyArray;
EnumPropertyArray.Add(ETraceTypeQuery::TraceTypeQuery1);