When you give a player a skull with an owner of "_" it crashes the game. When you put the item in a chest with commands, the game crashes when you open the chest.
To reproduce:
/give @s player_head{SkullOwner:"_"}
When you give a player a skull with an owner of "_" it crashes the game. When you put the item in a chest with commands, the game crashes when you open the chest.
To reproduce:
/give @s player_head{SkullOwner:"_"}
Thank you for your report!
We're actually already tracking this issue in WEB-1290, so I resolved and linked this ticket as a duplicate.
If you would like to add a vote and any extra information to the main ticket it would be appreciated.
If you haven't already, you might like to make use of the search feature in the future to see if the issue has already been reported.
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