Mountain Zone Grid Bug / Desync & Shrinking Tiles after Land Expansion

Attached Screenshots for Reference:

Pic 1: The empty spot visually showing 4 available tiles.

Pic 2 & 3: Trying to place a 4-tile object (aligning left and right) – placement is blocked(no green checkmark).

Pic 4: Trying a 3-tile object on the exact same spot – placement is allowed (greencheckmark appears).

Pic 5: The 3-tile object successfully placed, clearly showing the bugged, unbuildable gapleft behind.