Users will revisit access to their lost Gmail account. If it's been an extended time that you just lost access to your Gmail account, then you'll not be able to recover that.
It is quite common for individuals to forget their Gmail passwords or username in such cases. it's simple to recover the Gmail countersign or username. Follow the marks here n cause you've gone forgotten your Gmail account.
This is not the error that doesn't permit you to access any page. In this, you may be obtaining the error once you try to send the e-mail to an individual. once you send the e-mail then you may be obtaining the message like “Server error 007”.