I'm getting an error message that says "You entered an invalid email and invite code combination. Please try again or contact [e-mail]". What do I do?

There are two possibilities.

#1: You may already have an account! Try to sign in or reset your password. 

#2: We've re-sent you a welcome email. The new email and code overrides the previous code, so you should use the latest email from Homage.