VERIFIED SOLUTION i
1.In the Spectrum™ Spatial Analyst admin (SSA) console, untick Enable Find Nearest Searching under functionality options and save.
2.Add a map and click save.
3.The message "This find my nearest config file does not exist" shows up briefly and disappears.Refresh the page and the map is missing from the Maps tab.
Please Note if the Enable find nearest searching box is checked the maps get added with the message "Configuration changes saved successfully"
This is a bug.
ResolutionUPDATED: October 17, 2017
CONN - 29638 has been raised to resolve this issue. The proposed fix version is SSA 13.0
SSA 8, 8.0.1, 8.0.2, 12.0, 12.1