White thing when using torch (0.8.0 full release)

Put the summary of the bug you're having here
A white thing when I was using a torch.
What I expected to happen was...:
Describe what you thought should happen here
When I placed/used a torch, it was regular
What actually happened was...:
Describe what happened here
When I used/placed the torch, a white thing appeared above it
Steps to Reproduce:
1. Place a torch or use one.
2. A white thing appears.