You have exceeded your daily allowed download amount

[Reece]

Could someone explain why I am getting this message?

vBulletin Message
Sorry! You have exceeded your daily allowed download amount.As a new Cadet, you are able to post freely and download up to 3 files a day. Once you have made a single post, you are able to download 10 files a day.
If you want to graduate to a Captain, feel free to introduce yourself in the Comments to Subsim forum. There is a thread titled XMonth 2011 New Member Sign Up, make a short intro post there and tell the forum how you found Subsim, what your favorite game is, etc and say Hello! We welcome you into our community!