Can't get past Warning re unexpected ending in last session

[Habu2u2]

Removed Navigraph - Now No Data

You also need to delete the content.xml which will get rebuilt the next time the sim starts I believe. This is from the Navigraph forums official FAQ section. Look for the file here: Sim from Marketplace: %localAppData%\Packages\Microsoft.FlightSimulator_8wekyb3d8bbwe\LocalCache Sim from Steam: %appData%\Microsoft Flight Simulator

Take a look at this and see if this help resolve the issue.