From 063fa7cb380bf0c3d5ec29155f4ff303c0fb6b7a Mon Sep 17 00:00:00 2001
From: amwaterhouse <Andrew Waterhouse>
Date: Thu, 27 Jul 2006 15:59:51 +0000
Subject: [PATCH] seq size cant be less than 2 for tree

---
 src/jalview/gui/AlignFrame.java |    3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/jalview/gui/AlignFrame.java b/src/jalview/gui/AlignFrame.java
index cc57961..9d1b8f1 100755
--- a/src/jalview/gui/AlignFrame.java
+++ b/src/jalview/gui/AlignFrame.java
@@ -2200,6 +2200,9 @@ public class AlignFrame
         return;
       }
 
+      if(viewport.alignment.getHeight()<2)
+        return;
+
       tp = new TreePanel(viewport, type, pwType);
     }
 
-- 
1.7.10.2