ORM relations now require you to do find_all() or count_all() to get the results.

modules/user/views/admin_users_group.html.php

@@ -13,9 +13,9 @@
   <? endif ?>
 </h4>
 
-<? if ($group->users->count() > 0): ?>
+<? if ($group->users->count_all() > 0): ?>
 <ul class="g-member-list">
-  <? foreach ($group->users as $i => $user): ?>
+  <? foreach ($group->users->find_all() as $i => $user): ?>
   <li class="g-user">
     <?= html::clean($user->name) ?>
     <? if (!$group->special): ?>