Why wasn't my new password accepted?

The password must meet the following criteria:

  • It must be between 7 and 30 characters long
  • It must contain at least one lower-case letter, at least one upper-case letter, and at least one digit
  • It must be different from the previous 4 passwords used

The following special characters are allowed: _ ! ? # @ $ % ^ & | ~ { } ( ) = \ * + - .