My map doesn't show location names. All I see are special symbols and question marks.

When I open my map, the names of each location do not appear. Instead, only several special symbols with question marks are shown for every place. I have tried restarting many times, but the issue remains unchanged.

When opening the map, the names of each location are not displayed. Instead, there are several special symbols with question marks.

When opening the map, the names of all unlocked locations display normally.