Most likely you visited too many profiles or refreshed a profile page in a short amount of time. This should not take longer than 15 minutes.
You can send a PM or FG by clicking one of the icons next to one of the user's posts or in a PM you received.
https://i.imgur.com/l4kEL9l.pngWhen i click on his pm message, i get flood control error again , cant open his profile.
We dont have a trade topic, so i can't find any of his posts.
This is the user.