Glitched water physics: NO WATER PHYSICS(its like i am in air) ALSO, WTH, THE LEAVES ALL VANISHED

Put the summary of the bug you're having here

What I expected to happen was...:
None of it.

What actually happened was...:
All of it.

Steps to Reproduce:
1. maybe add a recipe datapack?
2. and you will find a glitched chunk?
3. here's screenshot