Problem with product template of Experience edition on Linux.

Prereq.: Ibexa Experience on e.g. Ubuntu.

Steps:

1. Log in to admin panel.
2. Go to Content / Content structure.
3. In Product catalog create a category.
4. In that category create a product.
5. Try to load that product on frontend using URL from admin.

Actual result: Error 500 occurs, bit of basket are loaded

An exception has been thrown during the rendering of a template ("None of the chained routers were able to generate route: Route 'silversolutions_add_to_basket' not found").

Remarks: Does not occur on Mac.