Facebook auto map limks

Do you have the location service turned on?

To turn Location Services on or off for your Android device:
1
Go to your device's home screen.
2
Tap Settings, then tap Apps.
3
Scroll through the list of apps and tap Facebook.
4
Tap Permissions, then next to Location, tap to turn Location Services on or off.
To turn Location Services on or off for your iOS device:
1
Go to your device's home screen.
2
Tap Settings, then tap Privacy.
3
Tap Location Services and tap next to Location Services to turn on or off.
When Location Services is turned on for your iOS device, you can control when you allow Facebook to access your location by scrolling through the list of apps listed in Location Services, tapping Facebook and selecting Always, While Using the App, Ask Next Time or Never.