I am stuck in account summary page and cant go to inbox

Yesterday everything was fine as I was receiving and sending mails. but today when I try to go to my inbox it took me through reset security by email or phone. I tried both but the result was the same. It sent me a code on my mobile phone which I entered but I still couldn't go to my inbox. I am stuck in account summary page. I tried to login again and it took me straight to account summary page. I cant find an option to go to inbox or any other page. I can only see: overview, edit profile, account aliases, personal info, password, security info, close account, notification, permissions and billing.