The message “Invalid or Missing CSRF Token” means that your browser was unable to create a secure cookie or was unable to access this cookie to authorize your login. You can fix it by following the suggestions below.
1. System Webview App Update
Launch the Settings app.
Select Android System Web View.
Tap App Details in the Store.
Tap Update. Then restart your device.
2. Check storage space
For iOS devices, go to Settings > General > [Device] Storage.
On your Android device, open Google Files and at the bottom tap Explore. Scroll down to Apps under “Categories” and tap Calculate Storage.
3. Update device version
Go to Settings > General > Software Update. Tap Automatic Updates and turn on Download iOS. For Android devices, open the Settings app on your phone. Near the bottom, tap System. Update system. You will see your update status. Follow the onscreen steps.
4. Update your Instagram app
Open your App Store or Google Play. Tap the search icon in the bottom right corner and search for “Instagram”. Search for Instagram in the results and look to the right. If your app is up to date it will say “open”. … Press “update”.