X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Fworkers%2FInformationThread.java;h=d35025b8b3f832b47a08d2556baf6f650467d27c;hb=b8790847f686f6d31d2098c6b9804f8acc1041c9;hp=d719189f0e26311fb9a88aff6127aa8ffd7c83f5;hpb=2e4b07838e7727d790ddb40e4381cb4ed1e84428;p=jalview.git

diff --git a/src/jalview/workers/InformationThread.java b/src/jalview/workers/InformationThread.java
index d719189..d35025b 100644
--- a/src/jalview/workers/InformationThread.java
+++ b/src/jalview/workers/InformationThread.java
@@ -212,10 +212,13 @@ public class InformationThread extends AlignCalcWorker
     for (SequenceGroup group : alignment.getGroups())
     {
       hmmSeqs = group.getHmmSequences();
-      ProfilesI profiles = group.getHmmProfiles();
-      float m = updateInformationAnnotation(hmmSeqs.get(0), profiles, group,
-              infos);
-      maxInformation = Math.max(maxInformation, m);
+      if (!hmmSeqs.isEmpty())
+      {
+        ProfilesI profiles = group.getHmmProfiles();
+        float m = updateInformationAnnotation(hmmSeqs.get(0), profiles,
+                group, infos);
+        maxInformation = Math.max(maxInformation, m);
+      }
     }
 
     /*