From 4733d5a5d06f4e5e607b8534f67f9a78a0323104 Mon Sep 17 00:00:00 2001
From: James Procter <j.procter@dundee.ac.uk>
Date: Tue, 16 May 2023 17:21:58 +0100
Subject: [PATCH] =?utf8?q?JAL-4089=20-=20if=20no=20centerViewOn=20commands=20?=
 =?utf8?q?are=20given,=20don=E2=80=99t=20try=20to=20execute!?=
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---
 src/jalview/structures/models/AAStructureBindingModel.java |    5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/jalview/structures/models/AAStructureBindingModel.java b/src/jalview/structures/models/AAStructureBindingModel.java
index 8436b48..9e8f286 100644
--- a/src/jalview/structures/models/AAStructureBindingModel.java
+++ b/src/jalview/structures/models/AAStructureBindingModel.java
@@ -973,7 +973,10 @@ public abstract class AAStructureBindingModel
       }
       List<StructureCommandI> finalView = commandGenerator
               .centerViewOn(models);
-      executeCommands(finalView, false, "Centered on Superposition");
+      if (finalView!=null && finalView.size()>0)
+      {
+        executeCommands(finalView, false, "Centered on Superposition");
+      }
     }
     return error;
   }
-- 
1.7.10.2