Fatal error: Uncaught Error: Call to undefined function register_nav_menus() in /home/mybf1/public_html/ja.bf1.my/wp-content/themes/ef-practical/functions.php:45 Stack trace: #0 /home/mybf1/public_html/ja.bf1.my/wp-includes/class-wp-hook.php(292): practical_setup('') #1 /home/mybf1/public_html/ja.bf1.my/wp-includes/class-wp-hook.php(316): WP_Hook->apply_filters(NULL, Array) #2 /home/mybf1/public_html/ja.bf1.my/wp-includes/plugin.php(484): WP_Hook->do_action(Array) #3 /home/mybf1/public_html/ja.bf1.my/wp-settings.php(538): do_action('after_setup_the...') #4 /home/mybf1/public_html/ja.bf1.my/wp-config.php(91): require_once('/home/mybf1/pub...') #5 /home/mybf1/public_html/ja.bf1.my/wp-load.php(37): require_once('/home/mybf1/pub...') #6 /home/mybf1/public_html/ja.bf1.my/wp-blog-header.php(13): require_once('/home/mybf1/pub...') #7 /home/mybf1/public_html/ja.bf1.my/index.php(17): require('/home/mybf1/pub...') #8 {main} thrown in /home/mybf1/public_html/ja.bf1.my/wp-content/themes/ef-practical/functions.php on line 45