Therefore, I cannot have a copy of my site A? I wanted to do tests on B so that I could then import them on A ...
If I did not understand correctly and that the modifications must be made on the back office of B, I do not have the possibility of accessing it, I get a 404 error.
edit : I see that I have to modify links in the table, I modify ps_shop_url but I am always send back to site A ...