1. If you cannot open chapters due to a MySQL error, please clear your browser cookies.
2. If, when access is restored, an email with a password does not come: check the "spam" or "unwanted messages" folder in your mail , it could have got there by mistake.
3. Can't log in with your username and password? Clear your browser history. This can be done in its settings (quick menu call: Ctrl+Shift+Del)
4. Are you a registered user, but you constantly need to "enter" the site again? First, clear your browser history. This can be done in its settings (quick menu call: Ctrl+Shift+Del)