Game crashed on spawning an item in multiplayer, error message in chat on spawning an item in singleplayer.

Put the summary of the bug you're having here

*What I expected to happen was...:
An item spawn.

*What actually happened was...:
The item spawned into the world, and then the game crashed.

*Steps to Reproduce:
1. Go to a multiplayer server
2. Use the /give command