Having trouble with tilling static light on floor mesh

![Desktop Screenshot 2024.09.29 - 13.53.03.39|690x280]
(upload://bATEttC6LnOMfIud2uCZuo6uUkH.jpeg)

Having trouble figuring out what causes my floor to break up the baked lighting by tile instead of merging the shadow contact points… Any pointer would be appreciated!