# Frequently Asked Questions

# Why does the Ketryx login say "User... not found. Please sign up first" when trying to log in?

Ketryx requires some data for each new user, including your full name and organization. When trying to log in with an email address that is not known to the system yet, Ketryx asks you to sign up and provide this data. Please fill out the sign-up form, accept the [Terms of Service](/content/terms/index.html), and press _Sign up and receive a login link_ to complete the signup process.