Division by zero error activity

Hi I posted this bug in github a week ago, no reply so I try here, seem more active here.

Hello,

I am using buddypress 1.63, wp 3.51 single, bp media 2.6.7 with BuddyPress Friends Only Activity Stream plugin.

Scenario:

User A is not a friend of User B

User B uploaded a photo, add 3 comments on that photo

User A visit User B activity page will get this error:

Warning: Division by zero in /home/domain/public_html/wp-content/plugins/buddypress/bp-activity/bp-activity-template.php on line 566

Will not get this error if that photo has less than 3 comments.

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Need help please. I only need to solve so that I can launch this media on my site, thank you very much.

http://wordpress.org/extend/plugins/buddypress-media/