[Bug] Hole in arctic biome

Map OLYMP. There is a hole on the ground in arctic biom G10 G11 And between G10 and H10 there are texture of the rocks but you can path throu them. You can watch it in next video from my channel.
https://youtu.be/1181wnyYTVc timing 33:15 and 37:35 and 41:14