It looks like you may be experiencing a known bug in the Stride Tax app! If you're on version 2.14.0 or 2.14.1, your app may be crashing when you open it or try to track mileage.
Update your app to the latest version in the App Store here (version 2.14.3), and you shouldn't experience these crashes anymore.
Still having trouble after updating? Reach out to us directly at firstname.lastname@example.org!