Fatal error: Uncaught Error: Class "page" not found in /volume1/web/packages/system/panels/cms/010_pages/editor/htmlmode/lightbox.tpl.php on line 2

Error: Class "page" not found in /volume1/web/packages/system/panels/cms/010_pages/editor/htmlmode/lightbox.tpl.php on line 2

Call Stack:
    0.0001     360000   1. {main}() /volume1/web/packages/system/panels/cms/010_pages/editor/htmlmode/lightbox.tpl.php:0