apple maps doesn't loading on mac
after recent macOS system update,
apple maps doesn't show anything except grids on my MacBook pro. (macOS High Sierra)
sometimes maps app shows the message like 'problem occurs when connect to maps server'.
so all the apps using map such as photos doesn't show any map data.
it's the same thing in other user account on my mac.
how can I fix the problem?
MacBook Pro with Retina display, macOS High Sierra (10.13.3)