Hi,
Thanks for the reply, but I do not think its related to rtMedia plugin as I rechecked with TwentySeventeen theme and it was working fine with it.
Even if I disabled rtMedia, it still creates “wpnonce field” with non unique ids for activity comment input form.
As each activity in activity page contain comment form, while creating comment form it cannot change id of wp nonce field and that is why it repeats same id for all wp nonce input field.
I mean if there will be 10 activity on activity page, it will create 10 wp nonce input field with same id. I checked this while rtMedia plugin was deactivated.
Thank you
Miraj