What steps will reproduce the problem? 1. 4 fasta file, each having 190KB nucldotide 2. Run BEATUi 1.8.1 3. Run BEAST 1.8.1

What is the expected output? What do you see instead?

Running was terminated with error messages

What version of the product are you using? On what operating system? Windows BEAST 1.8.1

Please provide any additional information below.

dr.xml.XMLParseException: Error parsing '<wideExchange>' element with id, 'null': Tree with fewer than 3 taxa at dr.xml.AbstractXMLObjectParser.parseXMLObject(Unknown Source) at dr.xml.XMLParser.convert(Unknown Source) at dr.xml.XMLParser.convert(Unknown Source) at dr.xml.XMLParser.convert(Unknown Source) at dr.xml.XMLParser.parse(Unknown Source) at dr.app.beast.BeastMain.<init>(Unknown Source) at dr.app.beast.BeastMain.main(Unknown Source) Feb 19, 2015 8:36:06 PM dr.app.beast.BeastMain <init> SEVERE: Parsing error - poorly formed BEAST file, e1.hap.01.xml: Error parsing '<wideExchange>' element with id, 'null': Tree with fewer than 3 taxa java.lang.RuntimeException: Terminate at dr.app.beast.BeastMain.<init>(Unknown Source) at dr.app.beast.BeastMain.main(Unknown Source)

BEAST has terminated with an error. Please select QUIT from the menu.

I can't replicate this error. 3 & 4 sequence data sets work fine. Possibly something to do with taxon labels? Need more details and/or example XML.