If try to replace or put the armor.body item to a Sulfur Cube with the item command not works.
Steps to reproduce the issue
Spawn a Sulfur Cube
Run
/item replace entity @n[type=sulfur_cube] armor.body from entity @s weapon.mainhand
Expected result
The item being replaced
Actual result
Only accept air or show No targets accepted item [Sand] into slot 105
I can confirm the issue is happening for me as well