Software⏱️ 2 min read📅 2026-05-31

How to Fix: iOS 9 “fbauth2” missing from Info.plist

iOS 9 'fbauth2' missing from Info.plist requires FBSDKLog to be present in LSApplicationQueriesSchemes.

Quick Answer: Ensure the FBSDKLog key is correctly added to your Info.plist file under LSApplicationQueriesSchemes for iOS 9 compatibility.

The 'fbauth2' issue in iOS 9 can be resolved by adding the required URL scheme to your Info.plist file. However, if you have already added it and are still experiencing issues, here's a step-by-step guide to troubleshoot the problem.

🛑 Root Causes of the Error

  • Insufficient or incorrect addition of 'fbauth2' to the Info.plist file.

🔧 Proven Troubleshooting Steps

Method 1: Manual Addition

  1. Step 1: Open your project in Xcode and navigate to the Info.plist file.
  2. Step 2: Locate the 'LSApplicationQueriesSchemes' key and add the 'fbauth2' scheme.
  3. Step 3: Save the changes and re-run your app on an iOS 9 device or simulator to test if the issue is resolved.

Method 2: Automatic Generation

  1. Step 1: Open your project in Xcode and navigate to the General tab under the app's target.
  2. Step 2: Click on the '+' button next to 'URL Schemes' and add the 'fbauth2' scheme.
  3. Step 3: Save the changes and re-run your app on an iOS 9 device or simulator to test if the issue is resolved.

💡 Conclusion

By following these steps, you should be able to resolve the 'fbauth2' missing from Info.plist error in your iOS 9 project.

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