Unable to generate Virus Report from Brightmail

Hi All,

Good Day!

We have SMG appliance 8380 running software version 9.5.3-3. 

I am trying to generate virus reports. However, I can only get the summary report. When I try to get more details like 'Top Senders' or 'Top Recepients', It throws the error "No data is available for the report type and time range specified".

Below are my Report Settings:

Also I get the below error when generating more specific reports:

Please let me know if I need to do any additional configuration to get this report.

Thanks in advance.

Regards,

Faiz