Hello Toufiq, thank you for your feedback.
Yes, access to the frontend is working fine on your environment.
The question is why is it no longer working on the client's environment?
For your information, before getting back to you, I also duplicated the site and installed it on another environment where the frontend also worked.
So why is it blocked on my client's hosting, which is with Amen.
What's more, he only works on the pages through this channel, of course!
Thank you for your feedback.
Jack