Problem with url in prestashop, how to be?

Hello!
prestashop 1.6.1.6
Please help me with this question:
there is a homepage that looks like this:
site.com/designers/pasha
if I remove the letter and write this:
site.com/designer/pasha
just go straight to the page:
error
products do not exist

if I remove or add letters to the name of the manufacturer, for example:
site.com/designers/pashasdfsfsfsd
page is displayed with all producers, but this is the address and remains of the view:
site.com/designers/pashasdfsfsfsd

If I understand correctly, any change in the url I should throw a 404, but I'm moving only on category pages or products, namely with producers such trouble.

another point is the payment module using Yandex, off NC it works as it should, with the included CNC it when you pay straight to 404

what to do? please help
July 2nd 19 at 14:20
1 answer
July 2nd 19 at 14:22
This is because Presta converts your URLs from /designers/pashasdfsfsfsd in ?designers=pashasdfsdsdsf,
it is such alternative method of work of the filters

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