Following error, when trying to reach persona page (http://www.instructables.com/you/settings?modify=PERSONA)

500 Servlet Exception

java.lang.IllegalStateException: forward() not allowed after buffer has
committed.
at com.caucho.server.webapp.RequestDispatcherImpl.forward(RequestDispatcherImpl.java:139)
at com.caucho.server.webapp.RequestDispatcherImpl.error(RequestDispatcherImpl.java:113)
at com.caucho.server.webapp.ErrorPageManager.sendServletError(ErrorPageManager.java:362)
at com.caucho.server.webapp.WebAppFilterChain.doFilter(WebAppFilterChain.java:175)
at com.caucho.server.dispatch.ServletInvocation.service(ServletInvocation.java:229)
at com.caucho.server.http.HttpRequest.handleRequest(HttpRequest.java:274)
at com.caucho.server.port.TcpConnection.run(TcpConnection.java:511)
at com.caucho.util.ThreadPool.runTasks(ThreadPool.java:520)
at com.caucho.util.ThreadPool.run(ThreadPool.java:442)
at java.lang.Thread.run(Thread.java:595)

Resin Professional 3.0.23 (built Mon, 22 Jan 2007 02:25:17 PST)