Fatal error: Uncaught Error: Call to undefined function is_plugin_active() in /home/gmtnhpbp/public_html/wp-content/plugins/mobile-bottom-menu-for-wp/includes/class-wp-bnav-settings.php:782 Stack trace: #0 /home/gmtnhpbp/public_html/wp-content/plugins/mobile-bottom-menu-for-wp/includes/class-wp-bnav.php(170): Wp_Bnav_Settings->generate_settings() #1 /home/gmtnhpbp/public_html/wp-content/plugins/mobile-bottom-menu-for-wp/includes/class-wp-bnav.php(78): Wp_Bnav->register_settings() #2 /home/gmtnhpbp/public_html/wp-content/plugins/mobile-bottom-menu-for-wp/wp-bnav.php(86): Wp_Bnav->__construct() #3 /home/gmtnhpbp/public_html/wp-includes/class-wp-hook.php(324): run_wp_bnav('') #4 /home/gmtnhpbp/public_html/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array) #5 /home/gmtnhpbp/public_html/wp-includes/plugin.php(517): WP_Hook->do_action(Array) #6 /home/gmtnhpbp/public_html/wp-settings.php(559): do_action('plugins_loaded') #7 /home/gmtnhpbp/public_html/wp-config.php(94): require_once('/home/gmtnhpbp/...') #8 /home/gmtnhpbp/public_html/wp-load.php(50): require_once('/home/gmtnhpbp/...') #9 /home/gmtnhpbp/public_html/wp-blog-header.php(13): require_once('/home/gmtnhpbp/...') #10 /home/gmtnhpbp/public_html/index.php(17): require('/home/gmtnhpbp/...') #11 {main} thrown in /home/gmtnhpbp/public_html/wp-content/plugins/mobile-bottom-menu-for-wp/includes/class-wp-bnav-settings.php on line 782