--- branches/development/src/utils/simError.cpp	2012/01/06 19:03:05	1668
+++ trunk/src/utils/simError.cpp	2012/08/22 02:28:28	1782
@@ -73,9 +73,12 @@ int simError( void ) {
 int simError( void ) {
   
   int myError = 1;
-  int isError;
   char errorMsg[MAX_SIM_ERROR_MSG_LENGTH];
+
+#ifdef IS_MPI
+  int isError;
   char nodeMsg[MAX_SIM_ERROR_MSG_LENGTH];
+#endif
   
   strcpy(errorMsg, "OpenMD ");
   switch( painCave.severity ) {