Fatal error: Uncaught Error: Call to undefined function add_action() in /home/estudi77/public_html/wp-content/plugins/really-simple-ssl/lets-encrypt/vendor/fbett/le_acme2/src/LE_ACME2/Response/Authorization/Struct/str.php:32 Stack trace: #0 /home/estudi77/public_html/index.php(1): include_once() #1 {main} thrown in /home/estudi77/public_html/wp-content/plugins/really-simple-ssl/lets-encrypt/vendor/fbett/le_acme2/src/LE_ACME2/Response/Authorization/Struct/str.php on line 32