I'm having the same issue. Been stuck there for two days, using lots of boosters for nothing (and not being able to finish challenges) because the bombs act like a regular bomb instead of spawning the crystals. 🙄 And I have no updates.
I started playing a few months ago and I I'm on level 2927. Maybe it's a good thing that I'm not gonna spend hours playing this game every day anymore. Thank you "King" for curing my addiction and good luck with your plan to get more money from the few people who are going to continue playing CCS. 😅