Steps to Reproduce:
1. Summon an armor stand holding any item:
/summon armor_stand ~ ~ ~ {ShowArms:1b,HandItems:[{id:"minecraft:diamond",count:1b}]}2. Attempt to change its count value to 0:
/data modify entity @n[type=armor_stand] HandItems[0].count set value 0Observed Results:
The item count stays as 1
Expected Results:
The item should disappear
Notes:
Setting the item count higher first, and then attempting to set it to 0, shows that it results in 1 instead of doing nothing at all
Comments 2
Your command formatting is incorrect, please use this instead:
/data modify entity @n[type=armor_stand] HandItems[0] set value {}Per this changelog, the formatting no longer supports a count value of zero, but instead needs an empty '{}' to supply an empty item.
The item stack format no longer represents empty stacks (air item, or count 0)
Instead, in places that support it, the field should be ommitted
In some cases, such as lists of stacks (e.g. HandItems in living entities), an empty map ({}) is used to represent empty stacks
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