Index: /issm/trunk/src/c/solutions/issm.cpp
===================================================================
--- /issm/trunk/src/c/solutions/issm.cpp	(revision 8195)
+++ /issm/trunk/src/c/solutions/issm.cpp	(revision 8196)
@@ -48,9 +48,10 @@
 	MPI_Comm_size(MPI_COMM_WORLD,&num_procs); 
 
+	/*First check number of inputs*/
 	_printf_(true,"Launching solution sequence\n");
+	if(argc<2)_error_("Usage error: no solution requested");
 	solution_type=StringToEnum(argv[1]);
 	petscoptionsfilename=argv[4];
 	lockname=argv[6];
-
 
 	MPI_Barrier(MPI_COMM_WORLD); start_init=MPI_Wtime();