From de815ed6ba2f383b644e9b7a6826b1fed10a4c64 Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Sat, 4 Jul 2020 04:48:16 -0400
Subject: [PATCH] must not pass NULL pointer now that we use const std::string
 references

---
 src/library.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/library.cpp b/src/library.cpp
index b6e2bb469b..2677d649e7 100644
--- a/src/library.cpp
+++ b/src/library.cpp
@@ -1725,7 +1725,7 @@ int lammps_get_last_error_message(void *ptr, char * buffer, int buffer_size) {
   if(!error->get_last_error().empty()) {
     int error_type = error->get_last_error_type();
     strncpy(buffer, error->get_last_error().c_str(), buffer_size-1);
-    error->set_last_error(NULL, ERROR_NONE);
+    error->set_last_error("", ERROR_NONE);
     return error_type;
   }
   return 0;