Critical error on website

I received a message from Motoma that a critical error had been detected on the website. That’s right. When I go to truthiniquity website. I get the message “A critical error has occurred on your website”.
I can’t log in to admin and the auto-recovery link in the mail doesn’t work either.
What should I do?

Hi,

I don’t see anything related to Matomo on your website.
Can you please explain a bit more detailed how you are using Matomo and which errors you get when you are trying to do what?