Hi! I understand your Skylight App on your iPhone with iOS 18.7 is telling you that you're not logged in. Let's get this sorted out together.

First, to help me better assist you—are you trying to log into Skylight Frame or Skylight Social, or is this within the Skylight app itself? Also, have you recently changed your password or email, or reset your device?

To get started, here are some steps you can try:

1. Double-check your email and password: Ensure the email address and password you’re using are exactly the ones registered for the Skylight account. Even a small typo can block login.

2. Restart the Skylight app: Swipe up from the bottom on your iPhone to close the app completely, then open it again to try logging in.

3. Restart your iPhone: Sometimes, a quick reboot can clear temporary glitches with apps.

4. Check your internet connection: Make sure your iPhone is connected to stable Wi-Fi or cellular data since logging in requires internet access.

5. Update the Skylight app from the App Store if there's a new version available.

If you have already done these steps, the issue might be deeper. Sometimes accounts get stuck or the app needs to reconnect with the server:

- Try logging out (if possible) and logging back in.

- If your Skylight device is separate (like a digital frame), restarting it or even resetting Wi-Fi settings on the device may help.

- Ensure you’re using the correct account that matches your Skylight Frame or app.

Let me know which steps you've tried or if you'd like detailed instructions on any of the above! If needed, I can also guide you through resetting the device or checking for account issues.

Are you able to provide any more details about the exact message or any recent changes you made? That will help pinpoint the fix.