ERROR - RequestContextAwareTag.doStartTag(82) Theme 'theme': No message found under code 'jqueryui.theme.name' for locale 'en_US'

ERROR - RequestContextAwareTag.doStartTag(82) |2011-11-11 14:49:58,431| Theme 'theme': No message found under code 'jqueryui.theme.name' for locale 'en_US'.
javax.servlet.jsp.JspTagException: Theme 'theme': No message found under code 'jqueryui.theme.name' for locale 'en_US'.
	at org.springframework.web.servlet.tags.MessageTag.doStartTagInternal(MessageTag.java:184)
	at org.springframework.web.servlet.tags.RequestContextAwareTag.doStartTag(RequestContextAwareTag.java:79)
	at org.apache.jsp.WEB_002dINF.view.uncaughtException_jsp._jspx_meth_spring_theme_0(org.apache.jsp.WEB_002dINF.view.uncaughtException_jsp:759)
	at org.apache.jsp.WEB_002dINF.view.uncaughtException_jsp._jspx_meth_c_if_0(org.apache.jsp.WEB_002dINF.view.uncaughtException_jsp:624)
	at org.apache.jsp.WEB_002dINF.view.uncaughtException_jsp._jspService(org.apache.jsp.WEB_002dINF.view.uncaughtException_jsp:183)
	at org.apache.jasper.runtime.HttpJspBase.service(HttpJspBase.java:93)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
	at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:373)
	at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:470)
	at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:364)
	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$CachedChain.doFilter(ServletHandler.java:1093)
	at org.openmrs.web.filter.OpenmrsFilter.doFilterInternal(OpenmrsFilter.java:111)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.springframework.orm.hibernate3.support.OpenSessionInViewFilter.doFilterInternal(OpenSessionInViewFilter.java:198)
	at org.springframework.web.filter.OncePerRequestFilter.doFilter(OncePerRequestFilter.java:76)
	at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1084)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:360)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
	at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:285)
	at org.mortbay.jetty.servlet.Dispatcher.error(Dispatcher.java:135)
	at org.mortbay.jetty.servlet.ErrorPageErrorHandler.handle(ErrorPageErrorHandler.java:121)
	at org.mortbay.jetty.Response.sendError(Response.java:274)
	at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:429)
	at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
	at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:181)
	at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:726)
	at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:405)
	at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:206)
	at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
	at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
	at org.mortbay.jetty.Server.handle(Server.java:324)
	at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:505)
	at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:829)
	at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:514)
	at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:211)
	at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:380)
	at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:395)
	at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:488)