Unsupported authenticator configured

Installing and Using OpenWrt
1

Hi,guys!
I compiled netgear wndr4300 image then install it .But when I click save and apply changes button ,I always get infomation like that: Unsupported authenticator configured
I check kernel logs, found this message, anybody can help me?

Wed Jul 12 09:47:34 2017 daemon.err uhttpd[1703]: Unsupported authenticator configured
Wed Jul 12 09:47:35 2017 daemon.err uhttpd[1703]: Unsupported authenticator configured
Wed Jul 12 09:47:37 2017 daemon.err uhttpd[1703]: Unsupported authenticator configured
2

I'm getting the same error message.
Have you been able to figure out what the problem is?

3

The error Unsupported authenticator configured is in response to the following URL:

http://192.168.129.1/cgi-bin/luci/servicectl/status?_=0.7062079756599011

This request is sent about once every second.

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