Summary:
If you try to "take" an item from an empty MCPE-151506 slot and close the inventory, the player will can no longer interact with the world. The placement of the blocks will be "phantom" and the attempt to open the inventory will fail.

Steps to reproduce:

1. Go to inventory on any tab with items.
2. Try to "take" an item from an empty slot (by simply clicking on an empty slot).
3. Close inventory.
4. Try to open your inventory, place block / break.
5. Reload the world.

Observed results:
Inventory won't open, blocks will not actually be placed.

Expected results:
The player should not stuck in the world.