MC/F 1.12.2/2707

Latest version falls over, 11911 works fine.

https://pastebin.com/j8GKctyz

Need more coffee, just woke up!

You should reset your configuration or just remove "respawnBehavior" in the "hunger" section. I'll probably just rename it to avoid incompatibilities, but to be honest I thought I already had renamed it to something else.