just checked with firefox and brave browser: Now “Email” appears again but when I enter it I still don't receive any Login code.
Have you checked your spam folder? I often find my authentication emails there.

I still didn't receive any code also not in spam folder

Have tried it serveral times a day in the last days and my account has been working before. To sad because of the free spins waiting for me

You can talk to their live support. From there you can get an immediate solution. Here the op is not always active so it will be late for him to notice your problem. If you talk to live support then you can directly contact the technical sector of the company then your problem will be solved very quickly. This could be due to their technical problems because the system always generates the emails automatically, so perhaps their system has a problem.