Took My Money and Refusing To Acknowledge

I have been a discovery member for almost a year and made my payments for my contributions promptly bi-annually. This month I was asked to renew my membership for the year 2016 in response to which, I made a payment for the whole 2016 year (12 months). After making the payment, I received an email stating that my payments for the year 2015 were reversed in the past and my new payment for the year 2016 is allocated for 2015. I rep**** to them asking for proof of such reversal as my bank statements don't reflect any reversal for the entire year of 2015. I even sent them proof of my previous (2015) payments. They now rep**** to me with some statements generated from their system showing I owe them money which is clearly not a proof of payments reversal as I had requested. This is ridiculous and very frustrating. I enjoyed all the benefits for the entire year and even have my tax certificate for the year and now all of a sudden they refuse to acknowledge my past payments. Clearly, Clint Mackrill and Lavinia Perumal are either too lazy to investigate this matter or have no idea what they are doing. Either way, they should be at least suspended for annoying honest customers.