[xwiki-users] Log error: Main.DocumentDoesNotExist on Xwiki 6.2.2

Hello, On my Tomcat server / Xwiki 6.2.2, I have this log (catalina.log) when I start my Tomcat 2014-10-29 10:14:51,213 [XWiki Solr index job thread] INFO o.x.s.s.i.j.IndexerJob - Finished job of type [solr.indexer] with identifier [[solr, indexer]] oct. 29, 2014 10:14:55 AM org.apache.catalina.core.ApplicationDispatcher invoke SEVERE: "Servlet.service()" pour la servlet action a lancé une exception java.lang.NullPointerException oct. 29, 2014 10:14:55 AM org.apache.catalina.core.StandardHostValve custom SEVERE: Exception Processing ErrorPage[errorCode=404, location=/bin/view/Main/DocumentDoesNotExist] java.lang.NullPointerException I checked on my Xwiki and effectively Main.DocumentDoesNotExist ... does not exist. :-) Do you think this log is normal? Do you have the same? I must create a custom Main.DocumentDoesNotExis? Thxs for any help. Pascal BASTIEN