Fatal error: Uncaught Error: Call to a member function is_preview_mode() on null in /customers/3/3/f/cu4q6htk6/webroots/www/wp-content/plugins/royal-elementor-addons/admin/includes/wpr-conditions-manager.php:43
Stack trace:
#0 /customers/3/3/f/cu4q6htk6/webroots/www/wp-content/plugins/royal-elementor-addons/admin/includes/wpr-render-templates.php(238): WprAddons\Admin\Includes\WPR_Conditions_Manager::header_footer_display_conditions(Array)
#1 /customers/3/3/f/cu4q6htk6/webroots/www/wp-includes/class-wp-hook.php(324): WprAddons\Admin\Includes\WPR_Render_Templates->enqueue_scripts('')
#2 /customers/3/3/f/cu4q6htk6/webroots/www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(NULL, Array)
#3 /customers/3/3/f/cu4q6htk6/webroots/www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#4 /customers/3/3/f/cu4q6htk6/webroots/www/wp-includes/script-loader.php(2265): do_action('wp_enqueue_scri...')
#5 /customers/3/3/f/cu4q6htk6/webroots/www/wp-includes/class-wp-customize-manager.php(457): wp_enqueue_scripts()
#6 /customers/3/3/f/cu4q6htk6/webroots/www/wp-includes/class-wp-customize-manager.php(556): WP_Customize_Manager->wp_die(0, 'Non-existent ch...')
#7 /customers/3/3/f/cu4q6htk6/webroots/www/wp-includes/class-wp-hook.php(324): WP_Customize_Manager->setup_theme('')
#8 /customers/3/3/f/cu4q6htk6/webroots/www/wp-includes/class-wp-hook.php(348): WP_Hook->apply_filters(Object(Yoast_Dynamic_Rewrites), Array)
#9 /customers/3/3/f/cu4q6htk6/webroots/www/wp-includes/plugin.php(517): WP_Hook->do_action(Array)
#10 /customers/3/3/f/cu4q6htk6/webroots/www/wp-settings.php(625): do_action('setup_theme')
#11 /customers/3/3/f/cu4q6htk6/webroots/www/wp-config.php(128): require_once('/customers/3/3/...')
#12 /customers/3/3/f/cu4q6htk6/webroots/www/wp-load.php(50): require_once('/customers/3/3/...')
#13 /customers/3/3/f/cu4q6htk6/webroots/www/wp-blog-header.php(13): require_once('/customers/3/3/...')
#14 /customers/3/3/f/cu4q6htk6/webroots/www/index.php(17): require('/customers/3/3/...')
#15 {main}
  thrown in /customers/3/3/f/cu4q6htk6/webroots/www/wp-content/plugins/royal-elementor-addons/admin/includes/wpr-conditions-manager.php on line 43