Fatal error: Uncaught Error: Call to undefined function add_action() in /www/web_ecpol_php81/wp-content/plugins/contextual-related-posts/includes/blocks/register-blocks.php:25 Stack trace: #0 {main} thrown in /www/web_ecpol_php81/wp-content/plugins/contextual-related-posts/includes/blocks/register-blocks.php on line 25