Zombie doesn't know if this will help (or if it's even related to the missing functions) but she just got one of those pages of code when she tried to change pages. This is what came up:
VelocityViewServlet : Error processing a template for path '/index.html'
Invocation of method 'get' in class com.mumsnet.se.wrapper.PageBeanWrapper threw exception java.lang.NullPointerException at edit/se/page_templates/home.html[line 61, column 53]
java.lang.NullPointerException
at com.mumsnet.se.wrapper.PageBeanWrapper.getOnBlockBeanWrapperById(PageBeanWrapper.java:245)
at com.mumsnet.se.wrapper.PageBeanWrapper.getOnBlockBeanWrapperByDisplayIndex(PageBeanWrapper.java:264)
at com.mumsnet.se.wrapper.PageBeanWrapper.get(PageBeanWrapper.java:903)
at sun.reflect.GeneratedMethodAccessor94.invoke(Unknown Source)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
at java.lang.reflect.Method.invoke(Method.java:597)
at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.doInvoke(UberspectImpl.java:389)
at org.apache.velocity.util.introspection.UberspectImpl$VelMethodImpl.invoke(UberspectImpl.java:378)
at org.apache.velocity.runtime.parser.node.ASTMethod.execute(ASTMethod.java:270)
at org.apache.velocity.runtime.parser.node.ASTReference.execute(ASTReference.java:262)
at org.apache.velocity.runtime.parser.node.ASTReference.render(ASTReference.java:342)
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
at org.apache.velocity.runtime.directive.Parse.render(Parse.java:260)
at org.apache.velocity.runtime.parser.node.ASTDirective.render(ASTDirective.java:175)
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:87)
at org.apache.velocity.runtime.parser.node.ASTBlock.render(ASTBlock.java:72)
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
at org.apache.velocity.runtime.parser.node.ASTIfStatement.render(ASTIfStatement.java:106)
at org.apache.velocity.runtime.parser.node.SimpleNode.render(SimpleNode.java:336)
at org.apache.velocity.Template.merge(Template.java:328)
at org.apache.velocity.Template.merge(Template.java:235)
at org.apache.velocity.tools.view.servlet.VelocityViewServlet.performMerge(VelocityViewServlet.java:805)
at com.mumsnet.baseservlets.CommonBaseServlet.performMerge(CommonBaseServlet.java:438)
at org.apache.velocity.tools.view.servlet.VelocityViewServlet.mergeTemplate(VelocityViewServlet.java:762)
at org.apache.velocity.tools.view.servlet.VelocityViewServlet.doRequest(VelocityViewServlet.java:555)
at org.apache.velocity.tools.view.servlet.VelocityViewServlet.doGet(VelocityViewServlet.java:509)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:114)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:91)
at com.caucho.server.dispatch.ServletFilterChain.doFilter(ServletFilterChain.java:103)
at com.mumsnet.filters.FirstSeenCookieFilter.doFilter(FirstSeenCookieFilter.java:34)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:76)
at com.mumsnet.security.filters.SecureCookieVerificationFilter.doFilter(SecureCookieVerificationFilter.java:77)
at com.caucho.server.dispatch.FilterFilterChain.doFilter(FilterFilterChain.java:76)
at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:178)
at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:241)
at com.caucho.server.hmux.HmuxRequest.handleRequest(HmuxRequest.java:435)
at com.caucho.server.port.TcpConnection.run(TcpConnection.java:586)
at com.caucho.util.ThreadPool$Item.runTasks(ThreadPool.java:690)
at com.caucho.util.ThreadPool$Item.run(ThreadPool.java:612)
at java.lang.Thread.run(Thread.java:619)