If you enter /kick and then your name in a singleplayer world , that is not shared to lan , the game will freeze
MC-121629
If you kick yourself with /kick in singleplayer, the game freezes
Resolved
Duplicate
0
P1x3lc0w
(Unassigned)
Confirmed
Minecraft 17w45a
Retrieved
Resolving in favor of MC-121629, this bug is caused by that, fixing that, fixes this.