Rendering Error

I was playing on my server when the map suddenly stopped loading, and I was stuck in an area where I couldn't move (don't mention using /reload because I tried and it didn't work). Also, I was riding the boat when I got to this spot. To get off the boat, I need to kill the entities; crouching doesn't work. I wanted to mention this other glitch as well. From: CatProManVicoMC To: Vector and team