Exception when firing up tclmt

I'm trying to start up tclmt so that I can add some user accounts from the command line.

This is the error that I am getting. Any ideas on how to fix?

[root@xyz tclmt]# bin/tclmt.sh
Exception in thread "main" java.lang.NullPointerException
at tigase.jaxmpp.core.client.factory.UniversalFactory.createInstance(UniversalFactory.java:15)
at tigase.jaxmpp.core.client.xmpp.modules.chat.MessageModule.(MessageModule.java:77)
at tigase.jaxmpp.core.client.JaxmppCore.modulesInit(JaxmppCore.java:202)
at tigase.jaxmpp.j2se.Jaxmpp.(Jaxmpp.java:55)
at tigase.tclmt.JaxmppConnection.(JaxmppConnection.java:21)
at tigase.tclmt.Tclmt.main(Tclmt.java:156)

Thanks in advance.