Openfire Meetings for Pàdé ver 0.9.9

openfire 4.5.2 added the pade plug-ins.the MITT jar.the jar is out of sight.after that, the meetings tab appears in the web interface. error in this tab
Exception:
Java. util.NoSuchElementException
in Java.database / java. scrap.ArrayList$Itr.next (ArrayList. java:999)
in the jivesoftware org.open flame.plugin.ofmit.ofmeet_002dsummary_jsp._jspService(ofmeet_002dsummary_jsp. java:120)
in org. Apache.Jasper.execution time.HttpJspBase.service (HttpJspBase.java:70)
in the javax package.servlet.http.It fully implements the interface.service(it fully implements the interface. java: 790)
in the org. jivesoftware.open flame.container.PluginServlet.handleJSP(PluginServlet. java:439)
in the org. jivesoftware.open flame.container.PluginServlet.service (PluginServlet. java:129)
in the javax package.servlet.http.It fully implements the interface.service(it fully implements the.java:790 interface)
in org. Eclipse.pier.servlet.ServletHolder$NotAsyncServlet.service (ServletHolder.java:1411)
in org. Eclipse.pier.servlet.Servletholder.handle (ServletHolder.java:763)
in org. Eclipse.pier.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1631)
in the jivesoftware org.admin.PluginFilter.doFilter(PluginFilter. java:226)
in org. Eclipse.pier.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1618)
in the jivesoftware org.admin.AuthCheckFilter.doFilter(AuthCheckFilter. java:234)
in org. Eclipse.pier.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1618)
on . opensymphony. sitemesh.web application.SiteMeshFilter.obtainContent(SiteMeshFilter.java:129)
on . opensymphony. sitemesh.web application.SiteMeshFilter.doFilter(SiteMeshFilter.java:77)
in org. Eclipse.pier.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1618)
in the jivesoftware org.salvage.LocaleFilter.doFilter(local filter. java:73)
in org. Eclipse.pier.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1618)
in the jivesoftware org.salvage.SetCharacterEncodingFilter.doFilter(SetCharacterEncodingFilter. java:49)
in org. Eclipse.pier.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1618)
in the jivesoftware org.admin.PluginFilter.doFilter(PluginFilter. java:226)
in org. Eclipse.pier.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1618)
in the jivesoftware org.admin.AuthCheckFilter.doFilter(AuthCheckFilter. java:234)
in org. Eclipse.pier.servlet.ServletHandler$CachedChain.doFilter(ServletHandler.java:1610)
in org. Eclipse.pier.servlet.Serverhandler.dohandle (Servlethandler.java:549)
in org. Eclipse.pier.server.handler.Soaphandler.handle (ScopedHandler.java:143)
in org. Eclipse.pier.security.SecurityHandler.handle (SecurityHandler.java:602)
in org. Eclipse.pier.server.handler.Hand wrap.handle (HandlerWrapper. java:127)
in org. Eclipse.pier.server.handler.Scopedhandler. nextHandle (ScopedHandler.java:235)
in org. Eclipse.pier.server.session.SessionHandler.dohandle (SessionHandler.java:1610)
in org. Eclipse.pier.server.handler.Scopedhandler. nextHandle (ScopedHandler.java:233)
in org. Eclipse.pier.server.handler.ContextHandler.dohandle (ContextHandler.java:1363)
in org. Eclipse.pier.server.handler.Scopedhandler. nextScope (ScopedHandler.java:188)
in org. Eclipse.pier.servlet.Serverhandler.Board (ServletHandler.java:489)
in org. Eclipse.pier.server.session.SessionHandler.Board (SessionHandler.java:1580)
in org. Eclipse.pier.server.handler.Scopedhandler. nextScope (ScopedHandler.java:186)
in org. Eclipse.pier.server.handler.ContextHandler.Board (ContextHandler.java:1278)
in org. Eclipse.pier.server.handler.Soaphandler.handle (ScopedHandler.java:141)
in org. Eclipse.pier.server.handler.ContextHandlerCollection.the handle (ContextHandlerCollection.java:221)
in org. Eclipse.pier.server.handler.HandlerCollection.handle (HandlerCollection.java:146)
in org. Eclipse.pier.server.handler.Hand wrap.handle (HandlerWrapper. java:127)
in org. Eclipse.pier.server.Server.handle (server.java:500)
in org. Eclipse.pier.server.Httpchannel.lambda$handle$1 object(HttpChannel. java:383)
in org. Eclipse.pier.server.Httpchannel object.dispatcher (httpchannel.java object: 547)
in org. Eclipse.pier.server.Httpchannel object.descriptor (HttpChannel. java:375)
in org. Eclipse.pier.server.HttpConnection.onFillable(HttpConnection.java:273)
in org. Eclipse.Jetty.IO. AbstractConnection$ReadCallback. failed(AbstractConnection.Java:311)
in org. Eclipse.Jetty.IO. FillInterest.fill(FillInterest.Java:103)
in org. Eclipse.Jetty.IO. ChannelEndPoint$2. launch (ChannelEndPoint.Java:117)
in org. Eclipse.pier.salvage.thread.strategy.EatWhatYouKill.runTask(EatWhatYouKill.java:336)
in org. Eclipse.pier.salvage.thread.strategy.EatWhatYouKill.doProduce(EatWhatYouKill.java:313)
in org. Eclipse.pier.salvage.thread.strategy.EatWhatYouKill.tryProduce(EatWhatYouKill.java:171)
in org. Eclipse.pier.salvage.thread.strategy.EatWhatYouKill.run(EatWhatYouKill. java:129)
in org. Eclipse.pier.salvage.thread.ReservedThreadExecutor$ReservedThread.run (ReservedThreadExecutor.java:375)
in org. Eclipse.pier.salvage.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:806)
in org. Eclipse.pier.salvage.thread.QueuedThreadPool$Runner.run (QueuedThreadPool.java:938)
in Java.base / java. yaz…Thread.execution(thread.java:834)

OC Debian 9
Server property
Server running time: 5 days, 20 hours, 50 minutes – started may 23, 2020, 16: 16: 19
Version: Openfire 4.5.2
Server directory: /usr/share/openfire
XMPP domain name: openfire.domain.com

Environment
Java version: 11.0.6 Debian – OpenJDK 64-Bit Server VM
Application server: jetty/9.4.28.v20200408
Server host name (FQDN): openfire.domain.com
OS / Architecture: Linux / amd64
Language / Time zone: ru_RU / Moscow, standard time (3 GMT)
OS process owner: openfire