Prerequisites:
Env with at least 11 items in tag in Product categories is required. It can be achieved with https://github.com/ibexa/product-catalog-benchmarks

Steps to reproduce:
1. Go to Product catalog/ categories
2. Select tag with at least 11 products assigned
3. Go to second page

Actual result:

Unexpected value for parameter "page": expecting "array", got "string".

error appears.

Expected result:
Pagination works properly.