Fatal error: Uncaught Error: Call to undefined function cornerstone() in /home/customer/www/diamonddividends.com/public_html/wp-content/themes/x/framework/legacy/functions/plugins/gravity-forms.php:42 Stack trace: #0 /home/customer/www/diamonddividends.com/public_html/wp-includes/class-wp-hook.php(310): x_gravity_forms_checker('integrity') #1 /home/customer/www/diamonddividends.com/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters('', Array) #2 /home/customer/www/diamonddividends.com/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #3 /home/customer/www/diamonddividends.com/public_html/wp-content/themes/x/framework/legacy/functions/frontend/styles.php(43): do_action('x_enqueue_style...', 'integrity', '-light') #4 /home/customer/www/diamonddividends.com/public_html/wp-includes/class-wp-hook.php(308): x_enqueue_site_styles('') #5 /home/customer/www/diamonddividends.com/public_html/wp-includes/class-wp-hook.php(332): WP_Hook->apply_filters(NULL, Array) #6 /home/customer/www/diamonddivid in /home/customer/www/diamonddividends.com/public_html/wp-content/themes/x/framework/legacy/functions/plugins/gravity-forms.php on line 42