In Splunk Fortinet FortiGate app - Wireless and System dashboards are not working?

[Gaikwad]

In the Splunk Fortinet FortiGate app - wireless and System dashboards are not working

both dashboards are not showing any data,  as I check from Fortinet app all logs are forwarded and other Splunk Fortinet dashboards like (Fortinet n\w security, traffic, unified Threat management,vpn )  work perfectly.

 

please help.