Namey I have this very large but otherwise normal grid. However, the players are not able to go to the other half of the grid, and enemies cannot move from their spots.
gamingislove I assume this is a single, large grid and not 2 separate grids? Check the cell connections - select Connections mode in the grid or grid cell inspector to show cell connections.
Namey Ah, it seems that some of the connections were somehow accidentally altered. Resetting them fixed the problem. P.S. Sorry for the very late reply, I forgot that forum updates no longer send e-mails/