Replaceitem crashes game when trying to put an item in the offhand of an armorstand.

Partner Rank:
2

Verification builds and Platforms:

1.11.0 Win10

Summary:

Replaceitem crashes game when trying to put an item in the offhand of an armorstand.

Impact:

Does not allow us to have offhand items on armorstands.

Repro Steps:

Create a world
Place an armorstand down
run "/replaceitem entity @e[type=armor_stand,c=1] slot.weapon.offhand 0 shield"

Observed Results:

Game crashes.

Expected Results:

Game doesn't crash and item gets equipped in the offhand of the armorstand.

Screenshots/Videos attached: No