Its ok now I just re-saved permalinks

thanks

It’s not clear how you imported

Please, create topic according to guidelines, with all information, links, screenshots. This will allow us to understand your issue and give you a better and fast answer. 

https://sizamtheme.support-hub.io/articles/how-to-write-to-support-if-you-need-technical-help

I imported some products with attributes and after I click on attribute I get 404