Why does CMS Opencart give 404 error when loading the site?

Question

PHP

When loading the site, it gives a 404 error.

If you open several pages at the same time, sometimes it gives a 404 error.

I would be grateful for any help!

Answer 1

When loading the site gives 404 error

There are more important issues:

Answer 2

I do not think that you have 404 with the simultaneous number of open stannits of
Mamadaragay.
One of the largest clothing stores in Kharkov and such wretchedness
to your promoters MINUS