Ah, I see. Yes, that can be a bummer when you are new here. That is an anti-spam feature which will disappear after a few days. Here are some pics to get your thread started.
Please note: Once payment is made you need to send a private message to wicked at the forum, stating your username and the email address you used to pay. If you do not do this your upgrade will be delayed, the upgrade will be done within 12 hrs.