Why isn't the vendor product brand showing on my new collections page?

Hi

My problem is

why the old version of my website in collection page when click on vendor product brand (tag) show up,

but new update wokiee-v-2-2-1 it not working it said (EMPTY There are no products matching the selection.)

here is video to show the problem

https://cdn.shopify.com/videos/c/o/v/ea67b0622d3b43849b68c4d912f23089.mp4

my site is

https://yfifteen.com/

Thanks!

when i click on vendor it show this url

https://yfifteen.com/collections/all?filter.p.vendor=louis+vuitton

(EMPTY There are no products matching the selectio)

but if i change to (louis+vuitton to Louis+Vuitton) it work

https://yfifteen.com/collections/all?filter.p.vendor=Louis+Vuitton

Can you solve this?