The error "" in Lumion is typically a graphics driver or DirectX issue rather than a bug within Lumion itself . It indicates that the software cannot initialize the Direct3D 9 component required for its startup sequence. Review of Primary Fixes
Lumion is a real-time rendering application built on top of , but it maintains legacy fallbacks and detection routines that rely on Direct3D9 (D3D9) . When Lumion starts, it performs a hardware capability check: lumion failed to create dummy d3d9