Home › Forums › Support › fatal error This topic has 4 replies, 2 voices, and was last updated 7 years, 5 months ago by Tom. Viewing 5 posts - 1 through 5 (of 5 total) Author Posts November 17, 2016 at 12:20 pm #245288 Brian Fatal error: Call to undefined method WP_Customize_Manager::register_section_type( November 17, 2016 at 12:26 pm #245293 TomLead Developer Lead Developer Hi there, Update WordPress to the latest version in “Dashboard > Updates”. November 17, 2016 at 12:29 pm #245295 Brian I only just created this blog. It is up to date. https://goo.gl/hLbqdk November 17, 2016 at 12:30 pm #245297 Brian Here’s the entire error code: Fatal error: Call to undefined method WP_Customize_Manager::register_section_type() in /home/xxxx/public_html/wp-content/themes/generatepress/inc/customizer.php on line 40 November 17, 2016 at 12:30 pm #245298 TomLead Developer Lead Developer register_section_type was introduced in WordPress 4.3: https://developer.wordpress.org/reference/classes/wp_customize_manager/register_section_type/ If the error says it’s not defined, it means your WordPress version is prior to 4.3. Author Posts Viewing 5 posts - 1 through 5 (of 5 total) You must be logged in to reply to this topic. Log In Username: Password: Keep me signed in Log In