Fatal error: Uncaught Error: Call to undefined function get_current_screen() in /var/www/html/wp-content/plugins/m-chart/components/class-m-chart.php:309 Stack trace: #0 /var/www/html/wp-content/plugins/m-chart/components/class-m-chart.php(520): M_Chart->get_post_meta(71955, 'library') #1 /var/www/html/wp-content/plugins/m-chart/components/class-m-chart.php(686): M_Chart->get_chart() #2 /var/www/html/wp-includes/class-wp-hook.php(307): M_Chart->the_content('') #3 /var/www/html/wp-includes/plugin.php(191): WP_Hook->apply_filters('', Array) #4 /var/www/html/wp-includes/formatting.php(3877): apply_filters('the_content', '') #5 /var/www/html/wp-includes/class-wp-hook.php(307): wp_trim_excerpt('', Object(WP_Post)) #6 /var/www/html/wp-includes/plugin.php(191): WP_Hook->apply_filters('', Array) #7 /var/www/html/wp-content/plugins/jetpack/_inc/lib/class.media-summary.php(403): apply_filters('get_the_excerpt', '', Object(WP_Post)) #8 /var/www/html/wp-content/plugins/jetpack/_inc/lib/class.media-summary.php(91): Jetpack_Media_Summa in /var/www/html/wp-content/plugins/m-chart/components/class-m-chart.php on line 309