FW Analayzer VPN user session reports issue

FW Analayzer VPN user session reports issue

Hi,
 
Im evaluating Firewall Analayzer, the problem i'm facing is it's not showing the VPN user session details like username, Start time and endtime of session, VPN user session report is blank.
 
i'm using fortigate 60 and all the users are local users created on the firewall itself.
 
Did someone know how to resolve the issue.
 
Regards,
Arun

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