There are a few reasons why you might be unable to add friends on Animal Crossing: New Horizons (ACNH).
1. Friend List Limit
- ACNH has a friend list limit of 100 friends. If your list is full, you won't be able to add more friends until you remove some.
2. Friend Request Pending
- You might have sent a friend request to someone, but they haven't accepted it yet. You'll need to wait for them to accept before you can play together.
3. Network Issues
- Check your internet connection. If you're having network issues, you might not be able to connect with friends.
4. Privacy Settings
- Make sure your privacy settings allow you to receive friend requests. You can adjust these settings in the "Game Settings" menu.
5. Game Version
- Ensure you and your friends are playing the same version of the game. If you have different versions, you might not be able to connect.
6. Nintendo Switch Online Subscription
- You need a Nintendo Switch Online subscription to play online with friends.
7. Friend Code Issues
- Double-check that you are using the correct friend code. You can find your friend code in the "Friend List" menu.
8. Region Lock
- ACNH is region-locked. This means you can only play with friends in the same region.
9. Game Update Required
- Make sure you both have the latest game update installed.
10. Temporary Server Issues
- Nintendo's servers might be experiencing temporary issues.
If you're still having trouble adding friends on ACNH, you can contact Nintendo support for assistance.