diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -1798,6 +1798,7 @@
     'ManiphestCustomFieldStringIndex' => 'applications/maniphest/storage/ManiphestCustomFieldStringIndex.php',
     'ManiphestDAO' => 'applications/maniphest/storage/ManiphestDAO.php',
     'ManiphestDefaultEditCapability' => 'applications/maniphest/capability/ManiphestDefaultEditCapability.php',
+    'ManiphestDefaultPriorityEditCapability' => 'applications/maniphest/capability/ManiphestDefaultPriorityEditCapability.php',
     'ManiphestDefaultViewCapability' => 'applications/maniphest/capability/ManiphestDefaultViewCapability.php',
     'ManiphestEditConduitAPIMethod' => 'applications/maniphest/conduit/ManiphestEditConduitAPIMethod.php',
     'ManiphestEditEngine' => 'applications/maniphest/editor/ManiphestEditEngine.php',
@@ -8004,6 +8005,7 @@
     'ManiphestCustomFieldStringIndex' => 'PhabricatorCustomFieldStringIndexStorage',
     'ManiphestDAO' => 'PhabricatorLiskDAO',
     'ManiphestDefaultEditCapability' => 'PhabricatorPolicyCapability',
+    'ManiphestDefaultPriorityEditCapability' => 'PhabricatorPolicyCapability',
     'ManiphestDefaultViewCapability' => 'PhabricatorPolicyCapability',
     'ManiphestEditConduitAPIMethod' => 'PhabricatorEditEngineAPIMethod',
     'ManiphestEditEngine' => 'PhabricatorEditEngine',
diff --git a/src/applications/dashboard/paneltype/PhabricatorDashboardQueryPanelType.php b/src/applications/dashboard/paneltype/PhabricatorDashboardQueryPanelType.php
--- a/src/applications/dashboard/paneltype/PhabricatorDashboardQueryPanelType.php
+++ b/src/applications/dashboard/paneltype/PhabricatorDashboardQueryPanelType.php
@@ -77,6 +77,12 @@
     }
 
     if (!$saved) {
+      if (!$viewer->isLoggedIn()) {
+      // If user is not logged in, authored/assigned/etc queries are empty.
+        return id(new PHUIObjectItemListView())
+          ->setUser($viewer)
+          ->setNoDataString(pht('You must log in to access this panel.'));
+      }
       throw new Exception(
         pht(
           'Query "%s" is unknown to application search engine "%s"!',