When I try and add Planet Maemo to my Blogs folder I get the following error:

Code:
msg - parse error: could not parse feed
com.zimbra.cs.service.ServiceException: parse error: could not parse feed
	at com.zimbra.cs.service.ServiceException.PARSE_ERROR(ServiceException.java:117)
	at com.zimbra.cs.service.FeedManager.retrieveRemoteDatasource(FeedManager.java:143)
	at com.zimbra.cs.mailbox.Mailbox.importFeed(Mailbox.java:3543)
	at com.zimbra.cs.mailbox.Mailbox.synchronizeFolder(Mailbox.java:3534)
	at com.zimbra.cs.service.mail.CreateFolder.handle(CreateFolder.java:75)
	at com.zimbra.soap.SoapEngine.dispatchRequest(SoapEngine.java:249)
	at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.java:163)
	at com.zimbra.soap.SoapEngine.dispatch(SoapEngine.java:84)
	at com.zimbra.soap.SoapServlet.doPost(SoapServlet.java:226)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:709)
	at com.zimbra.cs.servlet.ZimbraServlet.service(ZimbraServlet.java:148)
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:802)
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:252)
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:173)
	at org.apache.catalina.core.StandardWrapperValve.invoke(StandardWrapperValve.java:214)
	at org.apache.catalina.core.StandardContextValve.invoke(StandardContextValve.java:178)
	at org.apache.catalina.core.StandardHostValve.invoke(StandardHostValve.java:126)
	at org.apache.catalina.valves.ErrorReportValve.invoke(ErrorReportValve.java:105)
	at org.apache.catalina.core.StandardEngineValve.invoke(StandardEngineValve.java:107)
	at org.apache.catalina.valves.AccessLogValve.invoke(AccessLogValve.java:526)
	at org.apache.catalina.connector.CoyoteAdapter.service(CoyoteAdapter.java:148)
	at org.apache.coyote.http11.Http11Processor.process(Http11Processor.java:825)
	at org.apache.coyote.http11.Http11Protocol$Http11ConnectionHandler.processConnection(Http11Protocol.java:738)
	at org.apache.tomcat.util.net.PoolTcpEndpoint.processSocket(PoolTcpEndpoint.java:526)
	at org.apache.tomcat.util.net.LeaderFollowerWorkerThread.runIt(LeaderFollowerWorkerThread.java:80)
	at org.apache.tomcat.util.threads.ThreadPool$ControlRunnable.run(ThreadPool.java:684)
	at java.lang.Thread.run(Thread.java:595)
Caused by: org.dom4j.DocumentException: Error on line 92 of document  : The entity name must immediately follow the '&' in the entity reference. Nested exception: The entity name must immediately follow the '&' in the entity reference.
	at org.dom4j.io.SAXReader.read(SAXReader.java:350)
	at org.dom4j.io.SAXReader.read(SAXReader.java:264)
	at com.zimbra.soap.Element.parseXML(Element.java:227)
	at com.zimbra.soap.Element.parseXML(Element.java:225)
	at com.zimbra.cs.service.FeedManager.retrieveRemoteDatasource(FeedManager.java:135)
	... 25 more

code - service.PARSE_ERROR
method - ZmCsfeCommand.prototype.invoke
detail - soap:Sender
As I'm no programer I have no idea what it means.