Minecraft pe 7.0

Put the summary of the bug you're having here

What I expected to happen was...:
Describe what you thought should happen to put coal in the bottom slot of the furnace

What actually happened was...:
Describe what happened here it would not let me
Put in the coal

Steps to Reproduce:
1. Put a step by step guide on how to trigger the bug here
2. ... Click on the furnace in MCPE on 7.0
3. ... And try to smelt something