Beginner Gardening: Tomatoe Trouble, 1 by lals

lals wrote:
I have had vegetable gardens my whole life, my parents were actually farmers back home in MT.

But since I started my first garden here in MA, I can't seem to get tomatoes to ripen, without these cracks forming? Picture attached. All my grape tomatoes are wonderful, but full size all crack.

Any ideas, I am stumped. Doesn't look like a bug is getting them. Just looks like cracks? Starts when they are still green.

Thank you!