Health boosts crash the game.

Put the summary of the bug you're having here

What I expected to happen was...:
Getting 40 HP

What actually happened was...:

Going up to about 30, and then the game crashed.

Steps to Reproduce:
1. Run /effect give @s health_boost 1000000 9

2. Give yourself Regeneration level 7 (so put a 6 in the command), and wait.