Bet365 complaint: Frozen account that should be free to access

I recently got my bet365 account locked in late February due to a charge back. And was told by bet365 employees that in order to get my account back I would need to get a document from my bank showing that it was dropped like a letter saying it was dropped.
I’ve contacted my bank directly on the 3rd of March and had the chargeback and dispute dropped and also had a letter sent to bet365 on the same date showing them what they needed for them to unlock my account. Todays date is March 18. It’s been more then a month and I still have yet to get my account unfrozen so I can access it. I have 883$ in that account that I cannot withdraw from them due to this circumstance. I’ve emailed them asking them what’s going on. And they’ve ignored me and pushed me aside they are waiting for and update from the relevant team at bet365. At this point there playing around and waiting till I die to take my money from me. I want my account back and money back that’s in the account that I have no access to getting