Fatal error: Uncaught Error: Call to undefined function WP_STATISTICS\wp_timezone() in /home/afyonnol/public_html/wp-content/plugins/wp-statistics/includes/class-wp-statistics-schedule.php:113 Stack trace: #0 /home/afyonnol/public_html/wp-content/plugins/wp-statistics/includes/class-wp-statistics-schedule.php(77): WP_STATISTICS\Schedule::getSchedules() #1 /home/afyonnol/public_html/wp-content/plugins/wp-statistics/includes/class-wp-statistics-schedule.php(357): WP_STATISTICS\Schedule->__construct() #2 /home/afyonnol/public_html/wp-content/plugins/wp-statistics/includes/class-wp-statistics.php(203): require_once('/home/afyonnol/...') #3 /home/afyonnol/public_html/wp-content/plugins/wp-statistics/includes/class-wp-statistics.php(92): WP_Statistics->includes() #4 /home/afyonnol/public_html/wp-includes/class-wp-hook.php(298): WP_Statistics->plugin_setup('') #5 /home/afyonnol/public_html/wp-includes/class-wp-hook.php(323): WP_Hook->apply_filters(NULL, Array) #6 /home/afyonnol/public_html/wp-includes/plugin.php(453): WP_Hook->d in /home/afyonnol/public_html/wp-content/plugins/wp-statistics/includes/class-wp-statistics-schedule.php on line 113