How can reply on forum

Hi guys I’m newbie here didn’t know how to reply any comment. I didn’t saw any reply option?

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I’m actually trying to reply to your post here: GUIDE: Overwatch Twitch Rewards Troubleshooting and FAQ - BASTET Spray Rewards Updated - #219 by Bengal-1787

I’ve tried everything, connecting, refreshing, etc. Is the post closed? I really need help with the Twitch drops for the D.Va event.