Since some time ago, sometimes i get this message when im replying to some thread:

"You have selected 1 post that is not part of this thread. Quote this post as well, or deselect this post."?

It appears right below the box where you type the reply. What does it exactly mean?
Coelho Reviewed by Coelho on . Question about the replies Since some time ago, sometimes i get this message when im replying to some thread: "You have selected 1 post that is not part of this thread. Quote this post as well, or deselect this post."? It appears right below the box where you type the reply. What does it exactly mean? Rating: 5