if you give an iron golem a high weakness effect (which results in it dealing 0 damage)
or simply summon one with 0 generic.attackDamage, the game will crash once it attacks.
The game crashed whilst ticking entity
Error: java.lang.IllegalArgumentException: bound must be positive
Thank you for your report!
We're actually already tracking this issue in MC-160102, 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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