Fatal error: Uncaught Error: Using $this when not in object context in /volume1/web/packages/system/panels/cms/010_pages/controls.languages.tpl.php on line 8

Error: Using $this when not in object context in /volume1/web/packages/system/panels/cms/010_pages/controls.languages.tpl.php on line 8

Call Stack:
    0.0001     359952   1. {main}() /volume1/web/packages/system/panels/cms/010_pages/controls.languages.tpl.php:0