promon.rs.exception.SiteNotFoundException - Site not found null

at promon.rs.Portal.reloadSite(Portal.java:84)

at promon.rs.Portal.getSite(Portal.java:144)

at promon.rs.Portal.renderPage(Portal.java:249)

at promon.rs.Portlet.processRequest(Portlet.java:62)

at promon.rs.Portlet.doGet(Portlet.java:73)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:655)

at javax.servlet.http.HttpServlet.service(HttpServlet.java:764)

at org.apache.tomcat.websocket.server.WsFilter.doFilter(WsFilter.java:53)

at promon.media.PageFilter.doFilter(PageFilter.java:871)

at org.apache.coyote.ajp.AjpProcessor.service(AjpProcessor.java:433)

at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:65)

at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:895)

at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1722)

at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)

at org.apache.tomcat.util.threads.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1191)

at org.apache.tomcat.util.threads.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:659)

at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)

at java.lang.Thread.run(Thread.java:829)