What other plugins and theme do you use on the site?
Theme: Enfold
PLUGIN:
Advanced Editor Tools
Akismet Anti-spam: Spam Protection
Bit Integrations
Brevo Banner Manager Ottimizzato
Code Snippets
Contact Form 7
Contact Form 7 – Dynamic Text Extension
Controls for Contact Form 7
Duplica pagina
Easy Fattura Elettronica
Easy Table of Contents
GTM4WP – A Google Tag Manager (GTM) plugin for WordPress
iubenda | All-in-one Compliance for GDPR / CCPA Cookie Consent + more
Limit Login Attempts Reloaded
LiteSpeed Cache
Popup Builder
Query Monitor
Redirection
SQLite Object Cache
Tidio Chat
Ultimate Nofollow
Woo Dynamic Cart Rules Enhanced
WooCommerce
WooCommerce Legacy REST API
WooCommerce PayPal Payments
WooCommerce Stripe Gateway
WooCommerce Tax
WP Crontrol
WP Mail SMTP
WPCode Lite
YITH Booking and Appointment for WooCommerce Premium
Yoast SEO
Try switching to the default theme, deactivating all plugins excluding Contact Form 7, Akismet Anti-spam, WP Mail SMTP and Yoast SEO, and clearing all cache data.
Why you are advised to deactivate plugins and switch to the default theme.
Thanks it was a plugin conflict.