Fatal error: Uncaught Error: Using $this when not in object context in /home/rogertabor/public_html/updates/concrete-cms-9.1.1/concrete/blocks/survey/add.php:3 Stack trace: #0 {main} thrown in /home/rogertabor/public_html/updates/concrete-cms-9.1.1/concrete/blocks/survey/add.php on line 3