World don't have items, and crash when villager trade

Re-logged into game any all items disappeared. All items in inventory, in chests, and Villagers can't trade. If I try to trade the game crashes. Sent error report also attached.

Sample Develop Console errors"
[09:07:15 INFO]: Client> [09:07:15] [Client thread/ERROR]: Item entity 611 has no item?!
[09:07:15 INFO]: Client> [09:07:15] [Client thread/ERROR]: Item entity 614 has no item?!