When editing role ACLs for Store and Expressions repositories clicking on the "Choose" button throws an exception:

ERROR org.apache.catalina.core.ContainerBase.[jboss.web].[webdev.nemours.org].[/magnolia-cms].[AdminTreeServlet] 09.06.2007 17:04:39 – Servlet.service() for servlet AdminTreeServlet threw exception
info.magnolia.module.admininterface.InvalidTreeHandlerException: No tree handler for [Store] found
at info.magnolia.module.admininterface.TreeHandlerManager.getTreeHandler(TreeHandlerManager.java:57)
at info.magnolia.module.admininterface.AdminTreeMVCServlet.getHandler(AdminTreeMVCServlet.java:46)
at info.magnolia.cms.servlets.MVCServlet.doPost(MVCServlet.java:96)
at info.magnolia.cms.servlets.MVCServlet.doGet(MVCServlet.java:48)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:697)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:810)

These should be either defined or the choose button disabled