| Dropping a volume into the level is refused | It has no linked material. Run CREATE MATERIAL. |
| Volume is invisible just after creating a material | Shaders are compiling. Wait for the shader counter to finish. |
| Volume casts no shadow | Shadow Casting is off. Use Enable Volume Shadows (restart). |
| Fire does not light the scene | Run BAKE FIRE LIGHT and save the asset. |
| Volume missing in a Movie Render Queue render | Turn Playing off and key Frame. Rebuild old materials with UPDATE MATERIAL. |
| Frames ghost when blending | Run CALIBRATE VELOCITY, and check it with the Blend residual view. |
| Frame blending controls are greyed out | The volume has no velocity. Reimport with the velocity box ticked. |
| Several volumes darken or flicker each other | Volume-to-volume shadows are on. Press VOLUME-TO-VOLUME SHADOWS: ON to turn them off. See Lighting and Shadows. |
| A new feature has no effect on an existing material | Run UPDATE MATERIAL. |
| Fire edges look too red in a level | Raise the low end of Remap Temperature, then UPDATE MATERIAL. |
| Shadows or fire spill vanish near the screen edge | Raise Visible Tiles Margin, or turn Decode Only Visible Tiles off. |
| Volume is a coloured box in the editor | A proxy is active. Press Show All Volumes on the Proxy Manager, or set Use Proxy to Off. |
| A bake or look change is lost after a restart | Save the asset. Bakes and settings are stored on it. |