My website is displaying an error message

Website URL

https://dineseo.wuaze.com/

Error Message

There was a critical error on this site. Learn more about debugging WordPress.

Other Information

For the past few days, my website has been displaying this error, even though I haven’t made any changes to it recently.

Whether I try to access my WordPress dashboard or go directly to the site, I get the same error message.

Can you help me understand why, please? Thank you.