I made a Tilemap with a Tileset I made in Aseprite. The only setting that I changed in the inspector of the Tilemap was the cell size, because my Tileset is 1616 and not 6464, so I changed it to 16*16. But when I draw with my tiles, there are little gabs between the tiles or sometimes you can see a bit of the next tile in the a tile.
How can I fix that?