You can Reactivate Account. Please submit this form to Facebook
looks like you got a serious issue. As far as i understand from the error message you quoted here, your account has been deactivated somehow.
Did you enter correct user name and password.? Please check that no Caps Lock are on while typing the user name and password. If you forgot correct log in informations, please click here to restore
If you provided correct log in informations and yet you can't access your account, then your account may have been deactivated
This is possible in three ways
* The server which holds your account informations may got data corruption and so access to your account could not be established.
Possibility for this to occur is very very slim as all servers have tight backup options.
* The other possibility is rather more creepy than previous one.
Just imagine, if someone got access to your account ( by user name & Password) and intentionally or you accidentally requested facebook.com to discontinue this account. If someone requests to discontinue his account, the server will delete the account in no time. Check procedures for discontinue an account at FAQ
This option has more chance to occur, as more and more people tries to hack in to others accounts and disturb its normal functionality.
* Abuse or fraud usage of Account
If you abuse your account or you intended to use illegally , then facebook will deactivate your account. Please Read Facebook policy about Abuse of Account
If somehow , your account is deleted, there are some ways to restore back. To My opinion, your chances are slim, though you may ask the www.facebook.com to retrieve your account back. Please Click here to Reactivate Account