The link between Guesty and your Vrbo account may expire if the password was changed recently or Vrbo has requested additional verification for your account. If this happens, you'll be notified by email. You may also notice the Vrbo credentials sign in screen appear automatically in Guesty.
To reconnect, sign in to your Guesty Lite account and navigate to Distribution > Vrbo. In the pop-up, enter your Vrbo email and password, then enter the verification code sent via SMS.