Cannot create new sub-forum

[XM]

I tried to create a sub-forum today and met with this error:

Error 500

url=http://indie-review-the-independent-games-review-forums.700848.n3.nabble.com/catalog/EditForum.jtp?save=Create Sub-Forum&create=newChild&description=We will announce competitions around the web here, or even hold some ourselves. :)&forum=700975&name=Competitions  method=POST user-agent=Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 ( .NET CLR 3.5.30729) referer=http://indie-review-the-independent-games-review-forums.700848.n3.nabble.com/catalog/EditForum.jtp?forum=700975&create=newChild

RequestURI=/catalog/EditForum.jtp
Caused by:

fschmidt.util.servlet.JtpContextServlet$JtpRuntimeException: url=http://indie-review-the-independent-games-review-forums.700848.n3.nabble.com/catalog/EditForum.jtp?save=Create Sub-Forum&create=newChild&description=We will announce competitions around the web here, or even hold some ourselves. :)&forum=700975&name=Competitions  method=POST user-agent=Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.9.2.3) Gecko/20100401 Firefox/3.6.3 ( .NET CLR 3.5.30729) referer=http://indie-review-the-independent-games-review-forums.700848.n3.nabble.com/catalog/EditForum.jtp?forum=700975&create=newChild
        at fschmidt.util.servlet.JtpContextServlet.handleException(JtpContextServlet.java:569)
        at fschmidt.util.servlet.JtpContextServlet.service2(JtpContextServlet.java:482)
        at fschmidt.util.servlet.JtpContextServlet.service(JtpContextServlet.java:258)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1166)
        at org.mortbay.servlet.UserAgentFilter.doFilter(UserAgentFilter.java:81)
        at fschmidt.util.servlet.GzipFilter.doFilter(GzipFilter.java:137)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
        at cachingfilter.CachingFilter.doFilter(CachingFilter.java:133)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
        at fschmidt.util.servlet.BadBotFilter.doFilter(BadBotFilter.java:74)
        at org.mortbay.jetty.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1157)
        at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:388)
        at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
        at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:765)
        at org.mortbay.jetty.handler.ContextHandlerCollection.handle(ContextHandlerCollection.java:230)
        at org.mortbay.jetty.handler.HandlerCollection.handle(HandlerCollection.java:114)
        at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
        at org.mortbay.jetty.Server.handle(Server.java:326)
        at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
        at org.mortbay.jetty.HttpConnection$RequestHandler.content(HttpConnection.java:938)
        at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:755)
        at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:218)
        at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
        at org.mortbay.io.nio.SelectChannelEndPoint.run(SelectChannelEndPoint.java:409)
        at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
Caused by: java.lang.IllegalStateException: commit failed: trans=1 opened=2
        at fschmidt.db.pool.DbDatabaseImpl$Con.commit(DbDatabaseImpl.java:305)
        at sun.reflect.GeneratedMethodAccessor292.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:585)
        at fschmidt.db.util.OverridingProxy$1.invoke(OverridingProxy.java:59)
        at $Proxy2.commit(Unknown Source)
        at nabble.model.NodeImpl.pin(NodeImpl.java:934)
        at nabble.view.lib.Jtp.addPinnedChild(Jtp.java:877)
        at nabble.view.web.catalog.EditForum.service(EditForum.java:230)
        at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
        at fschmidt.util.servlet.JtpContextServlet.service2(JtpContextServlet.java:480)
        ... 25 more

Can anyone advise me as to what is wrong?

Regards,
XM

[Hugo <Nabble>]

We fixed this issue. We apologize for the inconvenience.