[MC-56611] Motion Tag

When typing;
/summon FallingSand ~ ~1 ~ {TileID:397,Time:1,Data:3,Motion:[0.0,5.0,0.0]}
The blocks fly in the air and fall down looking like this:

When trying to break the blocks the game crashes

Attachments

Mob heads need to have a a set direction. Like direction:[]

there is no block with id 397, use 144 for the skull
or even better use this:

/summon FallingSand ~ ~1 ~ {Block:skull,Time:1,Data:3,Motion:[0.0,5.0,0.0]}

invalid

Right on all counts.