Fatal error: Uncaught Error: Call to undefined function WP_STATISTICS\wp_timezone() in /home/peterwal/public_html/diabetes-schweiz.blog/wp-content/plugins/wp-statistics/includes/class-wp-statistics-schedule.php:113 Stack trace: #0 /home/peterwal/public_html/diabetes-schweiz.blog/wp-content/plugins/wp-statistics/includes/class-wp-statistics-schedule.php(77): WP_STATISTICS\Schedule::getSchedules() #1 /home/peterwal/public_html/diabetes-schweiz.blog/wp-content/plugins/wp-statistics/includes/class-wp-statistics-schedule.php(357): WP_STATISTICS\Schedule->__construct() #2 /home/peterwal/public_html/diabetes-schweiz.blog/wp-content/plugins/wp-statistics/includes/class-wp-statistics.php(203): require_once('/home/peterwal/...') #3 /home/peterwal/public_html/diabetes-schweiz.blog/wp-content/plugins/wp-statistics/includes/class-wp-statistics.php(92): WP_Statistics->includes() #4 /home/peterwal/public_html/diabetes-schweiz.blog/wp-includes/class-wp-hook.php(286): WP_Statistics->plugin_setup('') #5 /home/peterwal/public_html/diabetes- in /home/peterwal/public_html/diabetes-schweiz.blog/wp-content/plugins/wp-statistics/includes/class-wp-statistics-schedule.php on line 113