duplicate of status.html is not displaying $(bytes-in-nice)

I have created a duplicate hotspot’s “status.html” as “live_status.html” for some purpose (without logout option). When accessing it at logged-in client system with URL

http://<<IP_Router>>/live_status.html

the $(bytes-in-nice), $(bytes-out-nice) and $(bytes-in) are generating

0 B

But other $(username), $(ip), $(uptime), $(session-time-left), $(link-logout) and $(hostname) are working fine.