The Hilliard Lyons website has changed and no longer works with Mint.
The new Hilliard Lyons website can be found here: https://hlonline.hilliard.com/
All Hilliard Lyons customers were asked to change their account information (username, password, security questions) to begin using a new online interface. This broke Mint's integration; my balance dropped to $0 overnight. Updating my Mint account info with my new Hilliard Lyons info is unsuccessful even after waiting a couple hours in case there was propagation delay.