Newletter Form

Fatal error: Uncaught Error: Call to undefined method NewsletterSubscription::get_subscription_form_html5() in /www/htdocs/w0187374/rooms-berlin.com/wp-content/themes/nanovi/vc_templates/cms_newsletter.php:90 Stack trace: #0 /www/htdocs/w0187374/rooms-berlin.com/wp-content/plugins/themecore/shortcodes/cms_base.php(22): include() #1 /www/htdocs/w0187374/rooms-berlin.com/wp-content/plugins/js_composer/include/classes/shortcodes/core/class-wpbakeryshortcode.php(244): CmsShortCode->loadTemplate(Array, '') #2 /www/htdocs/w0187374/rooms-berlin.com/wp-content/themes/nanovi/vc_elements/cms_newsletter.php(234): WPBakeryShortCode->content(Array, '') #3 /www/htdocs/w0187374/rooms-berlin.com/wp-content/plugins/js_composer/include/classes/shortcodes/core/class-wpbakeryshortcode.php(362): WPBakeryShortCode_cms_newsletter->content(Array, '') #4 /www/htdocs/w0187374/rooms-berlin.com/wp-content/plugins/js_composer/include/helpers/helpers.php(1305): WPBakeryShortCode->output(Array, '') #5 /www/htdocs/w0187374/rooms-berlin.com/wp-includes/s in /www/htdocs/w0187374/rooms-berlin.com/wp-content/themes/nanovi/vc_templates/cms_newsletter.php on line 90