My account is saying that I have been downgraded but I have a bi yearly paid subscription

I paid for a bi yearly account in December 2015 and I received a notice saying that my account has been downgraded.  I have my paypal receipt.  Please fix this as soon as possible or I will be out of space!

It seems like this is a duplicate thread. Please refer to this link instead: http://www.jotform.com/answers/767444. I have responded to that one. Thank you for your understanding.