UE4.6.1 "Externally Referenced" on basic map

HI~all。I have another way to fix this problem。

Please try this:
Find these two ini in direction like this:YourProject\Saved\Config\Windows”
EditorPerProjectUserSettings.ini
Editor.ini

Search key word “Content”

you will find some direction obvious incorrect.

Just Replace them to the right direction.
MY ie:

That’s all~
Hope’s help~