Warning: Undefined variable $form in /var/www/html/TopTierElectric/public/concrete/attributes/calendar/form.php on line 1

Fatal error: Uncaught Error: Call to a member function select() on null in /var/www/html/TopTierElectric/public/concrete/attributes/calendar/form.php:1 Stack trace: #0 {main} thrown in /var/www/html/TopTierElectric/public/concrete/attributes/calendar/form.php on line 1