Lumion often writes detailed logs here: C:\Users\[YourUsername]\Documents\Lumion X\Logs\ Search for the exact error to see which channel DLL is missing.
If you are a 3D artist or architect, encountering a startup crash in Lumion can halt your workflow instantly. One of the most cryptic errors hidden inside the Lumion log file ( Errorlog.txt ) reads:
Go to the official Lumion website and download the latest version of the LiveSync plug-in for your specific modeling software.