It doesn't happen at a specific Y-level though, and never in the initially loaded chunks when i enter the game, but only in new chunks that are being loaded as i move away from the point of login, regardless if their newly generated or old, the error happens in random spots.
This bug also happens to me.
Running Win 7 Ultimate, fully updated.
Gainward GTX 770 Phantom - 4GB version
Intel Core i5-3570k @ 4.2 GHz
16 GB RAM - 8-8-8-24 @ 1833 MHz.
It doesn't happen at a specific Y-level though, and never in the initially loaded chunks when i enter the game, but only in new chunks that are being loaded as i move away from the point of login, regardless if their newly generated or old, the error happens in random spots.