Fatal error: Uncaught Error: Using $this when not in object context in /volume1/web/packages/system/panels/cms/080_users/020_permissions/actions.php on line 9

Error: Using $this when not in object context in /volume1/web/packages/system/panels/cms/080_users/020_permissions/actions.php on line 9

Call Stack:
    0.0001     360480   1. {main}() /volume1/web/packages/system/panels/cms/080_users/020_permissions/actions.php:0