ERPNext: v11.1.16 (master) Frappe Framework: v11.1.16 (master) Products Links Response Contact Form?

Hi ,
I have implemented erpnext to Centos7 then when ı click over products links it works sending request to product root but response is contact form? Are there any one can tell where to focus to solve this problem?
its live problem you can visit below and observe this bug.
https://domainerp.com/products

Reported here ERPNext: v11.1.18 (master) Frappe Framework: v11.1.18 (master) ERPNext: v11.1.16 (master) Frappe Framework: v11.1.16 (master) Products Links Response Contact Form? · Issue #16943 · frappe/erpnext · GitHub

edit:

@chlarsen reports the issue persists.

A similar report can be found here Erpnext Web Site Sub Product Group listing problem · Issue #16494 · frappe/erpnext · GitHub