cannot determine communication without a box

src/info.cpp

@@ -348,6 +348,7 @@ void Info::command(int narg, char **arg)
                commstyles[comm->style], commlayout[comm->layout],
                comm->ghost_velocity ? "yes" : "no");
 
+    if (domain->box_exist) {
       if (comm->mode == 0)
         fmt::print(out,"Communication mode = single\n"
                    "Communication cutoff = {}\n",
@@ -362,6 +363,7 @@ void Info::command(int narg, char **arg)
           fmt::print(out,"Communication cutoff for type {} = {:.8}\n", i, cut);
         }
       }
+    }
     fmt::print(out,"Nprocs = {},   Nthreads = {}\n",comm->nprocs,comm->nthreads);
     if (domain->box_exist)
       fmt::print(out,"Processor grid = {} x {} x {}\n",comm->procgrid[0],