Everytime I enter a world a few seconds later whilst the world is loading the game crashes. This has happened repeatedly. This comes up in thecrash report Description: Server forgot to send required information to construct BlockEntity

Put the summary of the bug you're having here

What I expected to happen was...:
The world loaded up

What actually happened was...:
The game crashes every single time about 5 seconds after the world has started to load
Steps to Reproduce:
1. I loaded up the world
2. The crash report also said BlockState: minecraft:flower_pot[contents=cactus,legacy_data=9] Block coordinates: World: (288,72,152), Chunk: (at 0,4,8 in 18,9; contains blocks 288,0,144 to 303,255,159), Region: (0,0; contains chunks 0,0 to 31,31, blocks 0,0,0 to 511,255,511)
I use vanilla minecraft with no mods or texture packs