Fixing bugs

The customer has set up to import prices on the site merani.ru through the exsel file.

Which is downloaded not correctly, the goods are constantly disappearing from the site from some pages after downloading the file.

Task:

You need to set up a normal import, so that nothing flew.

Example, file https://drive.google.com/file/d/1XPucHK4etM3d54jrBN2cYd-kGY7ZBHNa/view?usp=sharing

Goods disappear, for example, from the page of https://www.merani.ru/katalog/fanery/berezovaya-fanera-fsf/2500x1250/, https://www.merani.ru/katalog/fanery/berezovaya-fanera-fsf/3000x1500/, https://www.merani.ru/katalog/fanery/berezovaya-fa... Et al.