RS on creating a new wiki page

<dispatchinfo>
<componentinfo>
<compname>wikiArticle</compname>
<compclass>org.olat.modules.wiki.gui.components.wikiToHtml.WikiMarkupComponent</compclass>
<extendedinfo>null</extendedinfo>
<event>
<class&gt;org.olat.modules.wiki.gui.components.wikiToHtml.RequestNewPageEvent</class&gt;
<command>Iyw5rYuxw5I0Yrg0cwUn07ddcsX927xrbIBYvkdIeRCwfT0iArgyG2WsUgw9ZfwjQZ4Plb3NZaD1ZzlHc4fiNYXZ2ZwywOn8f1m7bKFINBrVwv72yhuIcxh6MnSpm5t3WejbfpfFOp3NiPr1BNqGyWetwVX5kOlMhY</command>
<tostring>com:Iyw5rYuxw5I0Yrg0cwUn07ddcsX927xrbIBYvkdIeRCwfT0iArgyG2WsUgw9ZfwjQZ4Plb3NZaD1ZzlHc4fiNYXZ2ZwywOn8f1m7bKFINBrVwv72yhuIcxh6MnSpm5t3WejbfpfFOp3NiPr1BNqGyWetwVX5kOlMhY,org.olat.modules.wiki.gui.components.wikiToHtml.RequestNewPageEvent@2ec3443</tostring>
</event>
</componentinfo>
<controllerinfo>
<controllername>org.olat.modules.wiki.WikiMainController</controllername>
<controllername>org.olat.repository.ui.RepositoryEntryRuntimeController</controllername>
<controllername>org.olat.core.commons.fullWebApp.BaseFullWebappController</controllername>
</controllerinfo>
</dispatchinfo>
Throwable: java.lang.NullPointerExceptionmessage:null,java.lang.NullPointerExceptionat org.olat.modules.wiki.PersistingAssessmentProvider.setStatusDone(PersistingAssessmentProvider.java:63)
at org.olat.modules.wiki.WikiMainController.updatePageContext(WikiMainController.java:1270)
at org.olat.modules.wiki.WikiMainController.handleRequestNewPageEvent(WikiMainController.java:867)
at org.olat.modules.wiki.WikiMainController.event(WikiMainController.java:585)
at org.olat.core.gui.control.DefaultController.dispatchEvent(DefaultController.java:206)
at org.olat.core.gui.components.AbstractComponent$1.run(AbstractComponent.java:240)
at org.olat.core.logging.activity.ThreadLocalUserActivityLoggerInstaller.runWithUserActivityLogger(ThreadLocalUserActivityLoggerInstaller.java:108)
at org.olat.core.gui.components.AbstractComponent.fireEvent(AbstractComponent.java:238)
at org.olat.modules.wiki.gui.components.wikiToHtml.WikiMarkupComponent.doDispatchRequest(WikiMarkupComponent.java:105)
at org.olat.core.gui.components.AbstractComponent.dispatchRequest(AbstractComponent.java:193)