Fatal error: Uncaught Error: Call to undefined method PortoShortcodesClass::generate_wpb_css() in /home/do872700/www_root/wp-content/themes/porto/vc_templates/vc_btn.php:156
Stack trace:
#0 /home/do872700/www_root/wp-content/plugins/js_composer/include/classes/shortcodes/core/class-wpbakeryshortcode.php(457): require()
#1 /home/do872700/www_root/wp-content/plugins/js_composer/include/classes/shortcodes/core/class-wpbakeryshortcode.php(430): WPBakeryShortCode->loadTemplate(Array, '')
#2 /home/do872700/www_root/wp-content/plugins/js_composer/include/classes/shortcodes/core/class-wpbakeryshortcode.php(552): WPBakeryShortCode->content(Array, '')
#3 /home/do872700/www_root/wp-content/plugins/js_composer/include/helpers/helpers.php(1371): WPBakeryShortCode->output(Array, '')
#4 /home/do872700/www_root/wp-includes/shortcodes.php(433): vc_do_shortcode(Array, '', 'vc_btn')
#5 [internal function]: do_shortcode_tag(Array)
#6 /home/do872700/www_root/wp-includes/shortcodes.php(273): preg_replace_callback('/\\[(\\[?)(vc_btn...', 'do_sh in /home/do872700/www_root/wp-content/themes/porto/vc_templates/vc_btn.php on line 156