Quick Answer To get Challenge Required error fixed, update the app using these steps: 1. Launch Google Play Store on your device. 2. Search for Instagram and tap on it. 3. Finally, tap on the Update button. Why Does Challenge Required Appear on Instagram? The Challenge_Required Error often appears when a user is trying to access their Instagram account via the web rather than the app, or when you are trying to login to your account from a new When you get a 'challenge_required' error message, it can be caused by a number of factors. You either have a poor internet connection, an out of date Instagram version, corrupt cache and data of the app, or Instagram might be down. That's fine, the mistakes can easily be solved. Because the "challenge required" error is actually a login identity verification process, you already have an idea of what might be causing it. One is an internal problem, such as when Instagram is not connecting to its servers properly and is unable to verify your identity. yXvUley.