NPE when creating a group chat room for the default conference service with CS integration enabled.

java.lang.NullPointerException
at org.jivesoftware.openfire.clearspace.ClearspaceMUCTranscriptManager.isRoomOwner(ClearspaceMUCTranscriptManager.java:246)
at org.jivesoftware.openfire.clearspace.ClearspaceMUCTranscriptManager.roomSubjectChanged(ClearspaceMUCTranscriptManager.java:236)
at org.jivesoftware.openfire.muc.MUCEventDispatcher.roomSubjectChanged(MUCEventDispatcher.java:85)
at org.jivesoftware.openfire.muc.spi.LocalMUCRoom.changeSubject(LocalMUCRoom.java:1689)
at org.jivesoftware.openfire.admin.muc_002droom_002dedit_002dform_jsp._jspService(muc_002droom_002dedit_002dform_jsp.java:314)
at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:97)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:487)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1093)
at com.opensymphony.module.sitemesh.filter.PageFilter.parsePage(PageFilter.java:118)
at com.opensymphony.module.sitemesh.filter.PageFilter.doFilter(PageFilter.java:52)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at org.jivesoftware.util.LocaleFilter.doFilter(LocaleFilter.java:66)
at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
at org.jivesoftware.util.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter.java:42)