Channel manager - HST configuration button does not work

1. Login to CMS as admin user
2. Navigate channel manager perspective
3. Select "English website" and click Edit HST configuration button on right pane

Actual behavior - Nothing happens below stack trace is seen
Expected behavior - HST configuration editor should open with-in CMS

14.09.2011 09:39:17 ERROR [org.apache.wicket.RequestCycle.logRuntimeException():1529] Error instantiating HstContext
java.lang.IllegalStateException: Error instantiating HstContext
at org.hippoecm.hst.plugins.frontend.editor.context.HstContext.<init>(HstContext.java:88)
at org.hippoecm.hst.plugins.frontend.HstEditorPerspective.setUpHstContext(HstEditorPerspective.java:107)
at org.hippoecm.hst.plugins.frontend.HstEditorPerspective.onStart(HstEditorPerspective.java:79)
at org.hippoecm.frontend.service.render.RenderPlugin.start(RenderPlugin.java:81)
at org.hippoecm.frontend.plugin.impl.PluginContext.connect(PluginContext.java:304)
at org.hippoecm.frontend.plugin.impl.PluginManager.start(PluginManager.java:89)
at org.hippoecm.frontend.plugin.impl.PluginContext.start(PluginContext.java:320)
at org.hippoecm.frontend.plugin.impl.ClusterControl.start(ClusterControl.java:118)
at org.onehippo.cms7.channelmanager.hstconfig.HstConfigEditor.setMountPoint(HstConfigEditor.java:163)
at org.onehippo.cms7.channelmanager.channels.ChannelPropertiesPanel$3.onClick(ChannelPropertiesPanel.java:205)
at org.wicketstuff.js.ext.ExtButton$ExtButtonAjaxBehavior.respond(ExtButton.java:66)
at org.apache.wicket.ajax.AbstractDefaultAjaxBehavior.onRequest(AbstractDefaultAjaxBehavior.java:302)
at org.apache.wicket.request.target.component.listener.BehaviorRequestTarget.processEvents(BehaviorRequestTarget.java:157)
at org.apache.wicket.request.AbstractRequestCycleProcessor.processEvents(AbstractRequestCycleProcessor.java:92)
at org.hippoecm.frontend.PluginRequestCycleProcessor.processEvents(PluginRequestCycleProcessor.java:95)
at org.apache.wicket.RequestCycle.processEventsAndRespond(RequestCycle.java:1250)
at org.apache.wicket.RequestCycle.step(RequestCycle.java:1329)
at org.apache.wicket.RequestCycle.steps(RequestCycle.java:1436)
at org.apache.wicket.RequestCycle.request(RequestCycle.java:545)
at org.apache.wicket.protocol.http.WicketFilter.doGet(WicketFilter.java:486)
at org.apache.wicket.protocol.http.WicketFilter.doFilter(WicketFilter.java:319)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.hippoecm.frontend.ResourceRewriteFilter.doFilter(ResourceRewriteFilter.java:129)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.hippoecm.frontend.plugins.login.ConcurrentLoginFilter.doFilter(ConcurrentLoginFilter.java:54)
at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:235)
at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:206)
at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:233)
at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:191)
at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:127)
at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:102)
at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:109)
at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:291)
at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:859)
at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.process(Http11Protocol.java:602)
at org.apache.tomcat.util.net.JIoEndpoint$SocketProcessor.run(JIoEndpoint.java:396)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: javax.jcr.PathNotFoundException: hst:hst/hst:configurations/hippogogreen-preview
at org.apache.jackrabbit.core.NodeImpl$8.perform(NodeImpl.java:2135)
at org.apache.jackrabbit.core.NodeImpl$8.perform(NodeImpl.java:2129)
at org.apache.jackrabbit.core.session.SessionState.perform(SessionState.java:200)
at org.apache.jackrabbit.core.ItemImpl.perform(ItemImpl.java:91)
at org.apache.jackrabbit.core.NodeImpl.getNode(NodeImpl.java:2129)
at org.hippoecm.repository.decorating.NodeDecorator.getNode(NodeDecorator.java:228)
at org.hippoecm.repository.decorating.checked.NodeDecorator.getNode(NodeDecorator.java:279)
at org.hippoecm.hst.plugins.frontend.editor.context.HstContext$HstConfigurationContext.init(HstContext.java:551)
at org.hippoecm.hst.plugins.frontend.editor.context.HstContext$HstModelContext.<init>(HstContext.java:171)
at org.hippoecm.hst.plugins.frontend.editor.context.HstContext$HstConfigurationContext.<init>(HstContext.java:532)
at org.hippoecm.hst.plugins.frontend.editor.context.HstContext.<init>(HstContext.java:77)
... 40 more