Swiper carousel for product recommendations

[TrendBlend]

Hello, I'm trying to show products in a carousel for my webshop. 4 products should show at the same time on desktop, and 2 for phone. I got this exact carousel using swiper on: Wall Art – Transform Your Space with Style and Elegance – InteriorGlows from product-carousel.liquid. Which looks like:

But I'm now trying to add it to my related-products.liquid using this code: Jan 05 11:52 AM - Codeshare. But it just results in: LINK: Rose LED Tree Lamp – Decorative LED Table Lamp with Adjustable Lighting – InteriorGlows

Does anyone know why my products on my product page are not showing in a carousel?