Map generation bug: Altai sometimes missing 1 large gold vein (8000 gold)

[AOE4PlsBuffEngland]

E.g., with seed 455fb8fd, or this game (Revain's Game – AoE4 World), which I can’t find from either player’s profile, probably other seeds as well.

[AOE4PlsBuffEngland]

One more seed:59f12913 with no large gold veins for both sides.