I was told by Facebook that my account has been hacked and I need to reset my password. I was able to receive the 6 digit code via email but as soon as I enter the code this message pops out! "You Entered 6 digit code too many times or please wait few minutes to receive your 6 digit code before trying again" also when I try to change my password on Facebook app I get a message unknown errow. Please help!!!!