the inventory is not letting me place an item in my inventory.

Put the summary of the bug you're having here
can't use inventory because my boots stuck to the curser and I can't place it in a slot.

What I expected to happen was...:
I could put my boots in my inventory.

What actually happened was...:
I couldn't put my boots in my inventory.

Steps to Reproduce:
1.idk I just could not use inventory
2. ...
3. ...