I Bought 4 rollover tickets for 2020-2021 seasons ...

I Bought 4 rollover tickets for 2020-2021 seasons and used two tickets in the 2020 season and when I went to use my other tickets this week (2021) silver woods website said that my tickets are cancelled or have been used which has not happened. Very disappointed in their customer service constantly hanging up and running me around in circles so they don t have to give me a refund. THANKS SILVERWOOD!