Fatal error: Uncaught Error: Call to undefined function add_action() in /home/parstahv/public_html/wp-content/plugins/wp-parsidate/includes/admin/datepicker-rtl.php:28 Stack trace: #0 {main} thrown in /home/parstahv/public_html/wp-content/plugins/wp-parsidate/includes/admin/datepicker-rtl.php on line 28