San Francisco City Knight Location Service is not available.

The location service of SF City Knight is not available because the location information service of the mobile phone itself is not turned on. The location service of SF Knight in the same city is not available. We must first check whether the location information service of the mobile phone itself is turned on, and we can't get location information without turning it on. It still doesn't work after opening it. Check whether the settings authorize the use of this service. Everything is all right, it is still unusable, but the system is out of order. Please try again later or contact SF customer service directly to find out the specific reason.