The online help is broken

2017-10-10 18:16:50,150 |jsse-nio-8443-exec-4 |RequestHandler                |E| Request cms caused an error with the following message: Erreur lors de l'appel de l'événement: org.apache.ofbiz.webapp.event.EventHandlerException: Problems processing event: java.lang.NullPointerException (null)
2017-10-10 18:16:50,187 |jsse-nio-8443-exec-4 |JavaEventHandler              |E| Problems Processing Event
java.lang.StackOverflowError
	at org.apache.catalina.core.ApplicationHttpRequest$AttributeNamesEnumerator.nextElement(ApplicationHttpRequest.java:976) ~[tomcat-catalina-8.5.23.jar:8.5.23]
	at org.apache.catalina.core.ApplicationHttpRequest$AttributeNamesEnumerator.nextElement(ApplicationHttpRequest.java:939) ~[tomcat-catalina-8.5.23.jar:8.5.23]
....
	at org.apache.ofbiz.base.util.UtilHttp.getAttributeMap(UtilHttp.java:313) ~[ofbiz.jar:?]
	at org.apache.ofbiz.base.util.UtilHttp.getAttributeMap(UtilHttp.java:301) ~[ofbiz.jar:?]
	at org.apache.ofbiz.base.util.UtilHttp.getCombinedMap(UtilHttp.java:104) ~[ofbiz.jar:?]
	at org.apache.ofbiz.widget.renderer.ScreenRenderer.populateContextForRequest(ScreenRenderer.java:198) ~[ofbiz.jar:?]
	at org.apache.ofbiz.content.cms.CmsEvents.cms(CmsEvents.java:280) ~[ofbiz.jar:?]
	at sun.reflect.GeneratedMethodAccessor91.invoke(Unknown Source) ~[?:?]
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) ~[?:1.8.0_112]
	at java.lang.reflect.Method.invoke(Method.java:498) ~[?:1.8.0_112]
	at org.apache.ofbiz.webapp.event.JavaEventHandler.invoke(JavaEventHandler.java:100) ~[ofbiz.jar:?]
	at org.apache.ofbiz.webapp.event.JavaEventHandler.invoke(JavaEventHandler.java:80) ~[ofbiz.jar:?]
	at org.apache.ofbiz.webapp.control.RequestHandler.runEvent(RequestHandler.java:730) ~[ofbiz.jar:?]
	at org.apache.ofbiz.webapp.control.RequestHandler.doRequest(RequestHandler.java:454) ~[ofbiz.jar:?]
	at org.apache.ofbiz.webapp.control.ControlServlet.doGet(ControlServlet.java:212) ~[ofbiz.jar:?]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:687) ~[javax.servlet-api-3.1.0.jar:3.1.0]
	at javax.servlet.http.HttpServlet.service(HttpServlet.java:790) ~[javax.servlet-api-3.1.0.jar:3.1.0]
	at org.apache.catalina.core.ApplicationFilterChain.internalDoFilter(ApplicationFilterChain.java:231) ~[tomcat-catalina-8.5.23.jar:8.5.23]
	at org.apache.catalina.core.ApplicationFilterChain.doFilter(ApplicationFilterChain.java:166) ~[tomcat-catalina-8.5.23.jar:8.5.23]
	at org.apache.catalina.core.ApplicationDispatcher.invoke(ApplicationDispatcher.java:728) ~[tomcat-catalina-8.5.23.jar:8.5.23]
	at org.apache.catalina.core.ApplicationDispatcher.doInclude(ApplicationDispatcher.java:590) ~[tomcat-catalina-8.5.23.jar:8.5.23]
	at org.apache.catalina.core.ApplicationDispatcher.include(ApplicationDispatcher.java:524) ~[tomcat-catalina-8.5.23.jar:8.5.23]
	at org.apache.ofbiz.webapp.view.JspViewHandler.render(JspViewHandler.java:78) ~[ofbiz.jar:?]
	at org.apache.ofbiz.webapp.control.RequestHandler.renderView(RequestHandler.java:985) ~[ofbiz.jar:?]
	at org.apache.ofbiz.webapp.control.RequestHandler.doRequest(RequestHandler.java:646) ~[ofbiz.jar:?]
	at org.apache.ofbiz.webapp.control.ControlServlet.doGet(ControlServlet.java:212) ~[ofbiz.jar:?]
...
2017-10-10 18:16:50,194 |jsse-nio-8443-exec-4 |RequestHandler                |E| Request cms caused an error with the following message: Erreur lors de l'appel de l'�v�nement: org.apache.ofbiz.webapp.event.EventHandlerException: Problems processing event: java.lang.StackOverflowError (null)
2017-10-10 18:16:50,223 |jsse-nio-8443-exec-4 |JspViewHandler                |E| ServletException rendering JSP view
java.lang.StackOverflowError
	at org.apache.catalina.core.ApplicationHttpRequest$AttributeNamesEnumerator.nextElement(ApplicationHttpRequest.java:939) ~[tomcat-catalina-8.5.23.jar:8.5.23]
	at org.apache.catalina.core.ApplicationHttpRequest$AttributeNamesEnumerator.findNext(ApplicationHttpRequest.java:986) ~[tomcat-catalina-8.5.23.jar:8.5.23]