I can't share my location on my iPhone Find My app

everytime i try to share my location on imessage it says “sharing location is not available, try again later”. and when i want to share it on the app and my friend or mom asks me to share my location and i press on “share” the notification stays there and doesn’t do anything

[Re-Titled by Moderator]

Original Title: why cant i share my location on "find my"?