The Composable Finance team has had the same issue essentially as on Picasso chain on Kusama, so one particular cause: The team had a stray todo! in the weight calculations for pallet-democracy which doomed the chain to be bricked once the launch period elapses.
- Preimage hash:
0xad2813b46b52fe8f38cb5af7da9c7f0f66416900070b949daa62cf92bbdc6fd7
(Please note that preimage has been already submitted).
Original post: https://polkadot.polkassembly.io/post/961.