PHP version is okey, in the PHP LOGS we have this:
Cannot modify header information – headers already sent by (output started at /home/he270716/public_html/es/wp-content/plugins/ai-engine-pro/classes/modules/chatbot.php:280) in /home/he270716/public_html/es/wp-includes/rest-api.php on line 746
Hello, is not a premium feature.
I have only the free version.