Strange message - Assertion failed!

[MichaMMA]

@PrincessTax1295

Assertion failed
MicrosoftGeospatialTiles.dll

This are the magic keywords for forum search

https://forums.flightsimulator.com/search?q=Assertion%20failed
https://forums.flightsimulator.com/search?q=MicrosoftGeospatialTiles.dll

Often it was visual studio debugger:

https://forums.flightsimulator.com/t/visual-c-error-message-assertion-error/304953?u=michamma

And here another topic about with hints:

C++ Assertion Error

I just started receiving the dreaded C++ Assertion Error whenever I try to start a flight. See this thread here for what I am dealing with: https://forums.flightsimulator.com/t/solved-microsoft-visual-c-runtime-library-assertion-failed/279475/43 This is marked as solved, but it is most definitely NOT solved. I tried every fix in that thread, and nothing works. Has anyone else figured out how to solve this error? In that thread people have tried reinstalling the game to no avail. Do I have to r…

which itself link to another topics…

EDIT.. and I search for a post about the SceneryIndexes , but can’t find for the moment