Why is my thread removed?

Why is my thread removed?

I posted this thread - Michael Charles was working on it. Now it says ' Insufficient Privileges''

Did I do something wrong?

https://pitstop.manageengine.com/portal/en/community/topic/reply-template-edit-html?action=communityTopicFollow&actionId=24001070169813

ID 6356019

What happened? We need to be able to add an image to a reply template.

Thanks.