Hello @Sukanta_Biswas Thank you very much for helping me and for this last informations, now I understand where the problem could be. Have a nice day! 🙂
And also I see later, that I lost few levels I was 2222 or 2223, can’t remember, and also I lost many times my boosters, but never mind, I just want my rank back. btw thankyou for answer, have a nice day!