Fixing lake-elevation

Starting from Henrik’s fantastic tutorial (SDK | BookStack)
I managed to get an .xml file to feed to fspackagetool.exe

When I load the project in DEV Mode there are no errors or warnings. When I compile there is this… where is the error then?

Thanks in advance
Greetings





This image comes after a lot of refinement on how to automatically flatten water bodies across an entire tile. Finally, we have arrived at the optimal result… now the road is all downhill.