While trying to log into the app I am receiving the following error message, "The operation couldn't be completed. (AWSMobileClient.AWSMoblieClientError error 15)."
Go into the App store on your phone and check to see if there is an update available for Nurture. If so, please update.
Try using the "forgot my password" flow using your email. Please make sure to use all lowercase letters when you enter your email.