Client crash on skull item nbt tag "Signature" & "Value" is null
please backup your test world!
1.use ^give @p skull 1 3 {SkullOwner:{Id:"02ecee33929847859c3410a6785212ed",Properties:{textures:[0:
]},Name:"Death_fish"}}^
2.crash
if your try to play corrupted world, it still crash