Prestashop front end page (so the actual webshop) don't authenticate. No error message

[farrvince]

 

 

Hello. 

My problem is that I can't authenticate (log in) to the webshop. I have latest prestashop, freshly installed. In the top right corner, I push authenticate, I write my e-mail and password, hit authenticate, the page reloads, but stays logged out. The console is empty. Debug mode is on, no error message. The same thing happens when I try to order a product. Authenticate, my address appears, but still keeps logged out. The order is sent, but the user can't acces his profile. 

Any suggestion?

I tried nearly everything until now. I tried with Brave browser, google chrome, Firefox, Safari, and on iPhone with safari and google chrome. 

I made a little video to demonstrate my problem. Thanks for helping me! 

 

 

Edited September 10 by farrvince (see edit history)