message: bug related to serial run with parallel build
diff: @@ -593,11 +593,17 @@ void TMOPAMRSolver::Mult()
  {
  Vector b(0);
  int myid = 0;
  + if (serial)
  + {
  tmopns->SetOperator(*nlf);
  + }
  + else
  + {
  #ifdef MFEM_USE_MPI
  myid = pnlf->ParFESpace()->GetMyRank();
  tmopns->SetOperator(*pnlf);
  #endif
  + }
  if (!hradaptivity)
  {
  tmopns->Mult(b, x->GetTrueVector());
  