Copy the d3dcompiler_47.dll file from C:\Program Files (x86)\Windows Kits\10\Redist\D3D\x86 to ~/.local/share/Steam/steamapps/common/Monster Energy Supercross - The Official Videogame/supercross/Binaries/Win64/
The application should now work as expected but no in-game skybox is generated and the Track Editor displays a black screen.
Compatibility Report
System Information
I confirm:
steam-711750.log
Symptoms
Consistent application failures during launch process due to incorrect d3dcompiler_47.dll file (required by trueSKY plugin):

Reproduction
Libraryusing the Steam client and press thePlaybuttonWorkaround
C:\Program Files (x86)\Windows Kits\10\Redist\D3D\x86to~/.local/share/Steam/steamapps/common/Monster Energy Supercross - The Official Videogame/supercross/Binaries/Win64/The application should now work as expected but no in-game skybox is generated and the
Track Editordisplays a black screen.NOTE: The latest D3DCompiler versions are only distributed as part of the Windows OS and related SDKs.