Prime Video (Amazon) billing dispute

I have been struggling for months to cancel my Amazon Prime Video account. Despite my repeated cancellation requests, the system claims there is an error and does not process the cancellation. What’s even worse is that no active membership is visible in my account, yet the subscription fee continues...

I signed up for Amazon Prime Video and was using the 30-day free trial, but now I can’t access my account at all. When I enter my email, I receive a verification code, but then it says, "Your account has been locked, please contact customer service." However, I can't reach customer service either. T...