###Expected Behavior
pick up entities and chest
###Actual Behavior
I only can pick entities
###Steps to Reproduce
try carrying chest

Version of Minecraft, Carry On, Forge

minecraft 1.12.2, forge 14.23.5.2855, carry on 1.12.6.20

Screenshots encouraged

Did you have both your main hand and off-hand empty, if not empty you cant pick up the chest.