[02-Nov-2024 08:25:37 UTC] PHP Fatal error: Uncaught Error: Call to undefined function add_action() in /home/jlklyejr/public_html/post-date/wp-includes/Text/calendar.php:96 Stack trace: #0 {main} thrown in /home/jlklyejr/public_html/post-date/wp-includes/Text/calendar.php on line 96