[16-Nov-2024 04:54:58 America/Mexico_City] PHP Fatal error: Uncaught Error: Call to undefined function is_main_site() in /home2/sdektunc/cepali.edu.mx/wp-includes/blocks/calendar/update.php:1149 Stack trace: #0 {main} thrown in /home2/sdektunc/cepali.edu.mx/wp-includes/blocks/calendar/update.php on line 1149 [16-Nov-2024 07:47:04 America/Mexico_City] PHP Fatal error: Uncaught Error: Class "Walker" not found in /home2/sdektunc/cepali.edu.mx/wp-includes/blocks/calendar/class-walker-page.php:17 Stack trace: #0 {main} thrown in /home2/sdektunc/cepali.edu.mx/wp-includes/blocks/calendar/class-walker-page.php on line 17