Can’t log in to Facebook security code won’t work

Hi can anyone please help! Fb logged me out for some reason three days ago and Iv not been able to get back in had to send my ID and received a email back with a link to enter the security code which didn’t work I keep getting a error message tried sending the code again and it’s sending me the same code every time and it’s not working Iv tried to find somewhere online to get in contact with fb but there is no option anywhere can anyone help ? Tia