I kept going back and forth with the support. I kept asking what were the supposed duplicate accounts involved and what's the proof that it's mine but they wouldn't answer. They just keep insisting that I have a duplicate account.
https://ibb.co/NZhRRVcIt seems to me that you are going to need the help of third party mediators. Here in the forum, we may not help you that much since the other party won't release the evidence. Create a complaint in mediator platform like Casinoguru or askgambler who will write to them to respond to the accusation.
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https://casino.guru2.
https://www.askgamblers.com