Fatal error: Uncaught Error: Call to undefined method TimeZoneNotification::logger() in /home/neonqtxo/public_html/book_summary_php/notifications/daily_book_notification.php:273 Stack trace: #0 /home/neonqtxo/public_html/book_summary_php/notifications/daily_book_notification.php(385): TimeZoneNotification->process() #1 {main} thrown in /home/neonqtxo/public_html/book_summary_php/notifications/daily_book_notification.php on line 273