Systems dashboard crashes

An unrecoverable error occurred. Please contact your administator.

FusionDirectoryException: Could not find ACL for attribute "argonautProtocol" for type "server" in /usr/share/fusiondirectory/include/class_objects.inc:90
Stack trace:
#0 /usr/share/fusiondirectory/plugins/addons/dashboard/class_dashBoardSystems.inc(140): objects::ls(Array, Array, 'dc=demo-fusiond...', '(objectClass=ar...', true)
#1 /usr/share/fusiondirectory/plugins/addons/dashboard/class_dashBoardSystems.inc(61): dashboardSystems->argonaut_stats()
#2 /usr/share/fusiondirectory/include/simpleplugin/class_simpleTabs.inc(92): dashboardSystems->__construct('', Object(dashboard), Object(tabs_dashboard), false)
#3 /usr/share/fusiondirectory/plugins/addons/dashboard/tabs_dashBoard.inc(25): simpleTabs->__construct('dashboard', '', NULL)
#4 /usr/share/fusiondirectory/include/class_objects.inc(311): tabs_dashboard->__construct('dashboard', '')
#5 /usr/share/fusiondirectory/include/simpleplugin/class_simplePlugin.inc(2106): objects::open('', 'dashboard')
#6 /usr/share/fusiondirectory/plugins/addons/dashboard/class_dashboard.inc(129): simplePlugin::mainInc('dashboard', '', true, false, 'dashboard')
#7 /usr/share/fusiondirectory/include/class_pluglist.inc(564): dashboard::mainInc()
#8 /usr/share/fusiondirectory/html/main.php(225): pluglist::runMainInc('44')
#9 {main}