I messd whit the /summon comand and i got a horse whit zomdie sadle and a cheast and i try to put stuff in it but it craz me game

I messd whit the /summon comand and i got a horse whit zomdie sadle and a cheast and i try to put stuff in it but it craz me game

1.I did this command /summon EntityHorse ~ ~1 ~-3 {Type:0,Tame:1,Saddle:1,ChestedHorse:1} OR
{Type:,Tame:1,Saddle:1,ChestedHorse:1} OR{Type:4,Tame:1,Saddle:1,ChestedHorse:1}
2.I go and ride the horse and I put a cobble stone in the cheast and it crazes
I got screenshot too