shot 5 phase 3 LPG

Fatal error: Uncaught Error: Call to undefined function gravity_form() in /var/www/comadr-yukarikol/wordpress/current/wp-content/themes/vtti-att/footer.php:55 Stack trace: #0 /var/www/comadr-yukarikol/wordpress/current/wp-includes/template.php(783): require_once() #1 /var/www/comadr-yukarikol/wordpress/current/wp-includes/template.php(718): load_template() #2 /var/www/comadr-yukarikol/wordpress/current/wp-includes/general-template.php(92): locate_template() #3 /var/www/comadr-yukarikol/wordpress/current/wp-content/themes/vtti-att/page.php(47): get_footer() #4 /var/www/comadr-yukarikol/wordpress/current/wp-includes/template-loader.php(106): include('/var/www/comadr...') #5 /var/www/comadr-yukarikol/wordpress/current/wp-blog-header.php(19): require_once('/var/www/comadr...') #6 /var/www/comadr-yukarikol/wordpress/current/index.php(17): require('/var/www/comadr...') #7 {main} thrown in /var/www/comadr-yukarikol/wordpress/current/wp-content/themes/vtti-att/footer.php on line 55