When a project allows anonymous users browsing its issues, Xporter is giving an error.

/secure/AjaxIssueAction!default.jspa [c.x.jiraxporter.condition.AccessCondition] An error has occurred while Xporter is checking if the Single Issue Panel should be shown.
java.lang.NullPointerException
	at com.xpandit.jiraxporter.condition.AccessCondition.shouldDisplay(Unknown Source)
	at com.atlassian.plugin.web.DefaultWebInterfaceManager.filterFragmentsByCondition(DefaultWebInterfaceManager.java:153)
	at com.atlassian.plugin.web.DefaultWebInterfaceManager.getDisplayableWebPanelDescriptors(DefaultWebInterfaceManager.java:116)
	at sun.reflect.GeneratedMethodAccessor512.invoke(Unknown Source)
	at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
	at java.lang.reflect.Method.invoke(Method.java:497)
	at com.atlassian.plugin.util.ContextClassLoaderSettingInvocationHandler.invoke(ContextClassLoaderSettingInvocationHandler.java:30)
	at com.sun.proxy.$Proxy267.getDisplayableWebPanelDescriptors(Unknown Source)
	... 2 filtered