I get the account confirmation email but I am unable to get trough the log page after following the link provided in the email

Greetings,

I get the account confirmation email but I am unable to get trough the log page after following the link provided in the email. This is what I see:

Note:
Your login attempt failed because the username and password combination you provided was invalid or your user already has the maximum number of user sessions open. After 5 failed login attempts, your user account will be locked. If you believe your account is currently locked, you can:

Could you kindly instruct how to proceed? My user’s name is celia1996.

Al very best,
Qiaoqiao Zou