Content Groups and assigned Role permissions

<section class="widget">
	<header>
		<h1>Content Groups and assigned Role permissions</h1>
		
Fatal error: Uncaught Error: Class "menu" not found in /volume1/web/packages/system/panels/cms/080_users/020_permissions/groups.tpl.php on line 18

Error: Class "menu" not found in /volume1/web/packages/system/panels/cms/080_users/020_permissions/groups.tpl.php on line 18

Call Stack:
    0.0002     360096   1. {main}() /volume1/web/packages/system/panels/cms/080_users/020_permissions/groups.tpl.php:0