From c192236a7e50a4a83e0fdca78fffa9174f1ee790 Mon Sep 17 00:00:00 2001
From: Stefan Paquay <stefanpaquay@gmail.com>
Date: Wed, 5 Sep 2018 11:28:06 -0400
Subject: [PATCH] Commit before switching to old master.

---
 src/lammps.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/lammps.cpp b/src/lammps.cpp
index 21335065f4..fcdfecf30a 100644
--- a/src/lammps.cpp
+++ b/src/lammps.cpp
@@ -309,6 +309,7 @@ LAMMPS::LAMMPS(int narg, char **arg, MPI_Comm communicator)
       iarg += 3;
       while (iarg < narg && arg[iarg][0] != '-') iarg++;
 
+    } else error->universe_all(FLERR,"Invalid command-line argument");
   }
 
   // if no partition command-line switch, universe is one world with all procs