message: BP5 is not ready yet to be default for File
diff: @@ -590,8 +590,8 @@ Engine &IO::Open(const std::string &name, const Mode mode, helper::Comm comm)
  }
  else
  {
  - // File default for writing: BP5
  - engineTypeLC = "bp5";
  + // File default for writing: BP4
  + engineTypeLC = "bp4";
  }
  }
  