Hi there! I see you're having trouble fetching your milestones in the Firestone app, with an error message asking you to "try again." I'd like to help get that sorted out for you.

To make sure I guide you properly, could you let me know:
- Are you connected to Wi-Fi or cellular data when this issue happens?
- Does the app show this error immediately, or after some loading time?
- Have you tried restarting the app or your iPhone already?

Meanwhile, here's a clear step-by-step we can try:

1. Check Internet Connection: Ensure your iPhone has a steady internet connection. Try switching between Wi-Fi and cellular to see if that helps.
2. Force Close and Relaunch the App: Swipe up from the bottom of your iPhone screen (or double-click Home if you have a Home button), find the Firestone app, swipe it away to close, and then open it again.
3. Restart Your iPhone: Sometimes a simple restart clears temporary glitches causing fetching errors.
4. Update the App: Make sure you have the latest version of Firestone installed. Go to the App Store, search Firestone, and check for updates.
5. Clear App Cache (if available): Some apps allow you to clear cache/data via settings. If Firestone has this option, try clearing cache.
6. Re-login: Log out of your Firestone account and log back in, which can refresh your session tokens.

If none of these steps work, the issue might be with the app servers or your account's connection to the milestone service. We can look into more advanced steps like reinstalling the app or checking if there are any ongoing server problems.

Could you try the above and let me know what happens, or if you've done some of these before? I'll help you through it!