Warning: Use of undefined constant VC_SHORTCODE_CUSTOM_CSS_FILTER_TAG - assumed 'VC_SHORTCODE_CUSTOM_CSS_FILTER_TAG' (this will throw an Error in a future version of PHP) in /var/www/html/wp-content/plugins/Ultimate_VC_Addons/modules/Ultimate_Animation.php on line 29

Fatal error: Uncaught Error: Call to undefined function vc_shortcode_custom_css_class() in /var/www/html/wp-content/plugins/Ultimate_VC_Addons/modules/Ultimate_Animation.php:29 Stack trace: #0 /var/www/html/wp-includes/shortcodes.php(319): Ultimate_Animation->animate_shortcode(Array, '', 'ult_animation_b...') #1 [internal function]: do_shortcode_tag(Array) #2 /var/www/html/wp-includes/shortcodes.php(197): preg_replace_callback('/\\[(\\[?)(ult_an...', 'do_shortcode_ta...', '<p>[vc_row bg_t...') #3 /var/www/html/wp-includes/class-wp-hook.php(286): do_shortcode('<p>[vc_row bg_t...') #4 /var/www/html/wp-includes/plugin.php(203): WP_Hook->apply_filters('<p>[vc_row bg_t...', Array) #5 /var/www/html/wp-includes/post-template.php(240): apply_filters('the_content', '[vc_row bg_type...') #6 /var/www/html/wp-content/themes/hyperx/page.php(21): the_content() #7 /var/www/html/wp-includes/template-loader.php(74): include('/var/www/html/w...') #8 /var/www/html/wp-blog-header.php(19): require_once('/var/www/html/w...') #9 /var/www/html/i in /var/www/html/wp-content/plugins/Ultimate_VC_Addons/modules/Ultimate_Animation.php on line 29