Occurred on my Minecraft Bedrock 1.19.73 server world. One square didn't load the blocks and it looks like the map struggled to load it (image attached). I tried restarting the map, but the crash persists. It seems that when the player flies around the map too fast, the map doesn't load properly, even when loading the original seed. This causes the buildings to disappear for a few seconds, returning shortly thereafter, and may cause the buildings to fail to load.