From 2f13365cf5f3ef8cbb3cf1302d960c6f1062d9f0 Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Mon, 16 Jan 2017 17:08:00 -0500
Subject: [PATCH] avoid spurious error message, when no storage fix is
 active/used

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

diff --git a/src/compute_chunk_atom.cpp b/src/compute_chunk_atom.cpp
index fafcf7aee3..925c5fbf81 100644
--- a/src/compute_chunk_atom.cpp
+++ b/src/compute_chunk_atom.cpp
@@ -493,7 +493,7 @@ ComputeChunkAtom::~ComputeChunkAtom()
 {
   // check nfix in case all fixes have already been deleted
 
-  if (modify->nfix) modify->delete_fix(id_fix);
+  if (id_fix && modify->nfix) modify->delete_fix(id_fix);
   delete [] id_fix;
 
   memory->destroy(chunk);