Yes, I feel so sad and frustrated, support doesn't answer I don't know how to get my account back :(

Please help, I've been trying to contact support for days, my account got hacked after the breach, I can't change my password because it says the email doesn't match my username

Please help, I've been trying to contact support for days, my account got hacked after the breach, I can't change my password because it says the email doesn't match my username