Hi and welcome @amzexpert. What is happening to your account is totally normal. When an account reaches 40 posts, the counter stops counting to prevent potential users and bots from sending spam, but you do not have to worry, in a few days the post counter will work again without any problem and your account will continue to grow, it's just a preventative measure for all new accounts.
I hope I have helped you, when you have doubts you already know where to find us.