Facebook Account Verification

Hello,
my fb account is locked
when i try log in fb says "Secure your account
You started securing your account on Monday, 10 July 2017 at 18:29 by clicking a link we emailed you.
To finish securing your account, please verify your identity and change your password. Your account will remain hidden until you complete this process" when i continue it says .
"We currently can't verify your identity. Please try again later".

please help me