Arbortext 8.2.0.1 shows zeros in place of Topicref titles (column view only)

when using Arbortext 8.2.0.1 from Arbortext 7.2 and now see my topicref titles are appearing as zeros in my bookmaps. This occurs in Column View only.  I ran the "Update Stylesheet for Editor", but no change.  can you help me