If vconsensus is null, return

diff --git a/src/jalview/schemes/ResidueColourScheme.java b/src/jalview/schemes/ResidueColourScheme.java
index c435f7d..3c8e690 100755 (executable)
--- a/src/jalview/schemes/ResidueColourScheme.java
+++ b/src/jalview/schemes/ResidueColourScheme.java
@@ -179,6 +179,9 @@ public class ResidueColourScheme implements ColourSchemeI
      */\r
     public void setConsensus(Vector vconsensus)\r
     {\r
+      if(vconsensus==null)\r
+        return;\r
+\r
        int i, iSize=vconsensus.size();\r
        consensus = new Hashtable[iSize];\r
        for(i=0; i<iSize; i++)\r