Please take a moment to make sure that your contact information is up to date. Sign in, select "manage profile" in the Profile menu, then click on "edit bio."
Contact us if you have can't remember your username. If you request a new password, you should receive an email with a reset link within a minute or so. If not, check your spam folder. If it's not there either, contact us; it's likely that your primary email address needs to be updated.