Hint: it has to do with an unstable PoS* code in it...
*ironically named as POS in my childhood stood for Piece of Shit
Hint: It's not a PoS problem, because PoS is just an incompetency detection tool.
If the "developer" is stupid enough to set up unsustainable configuration like 45s block spacing + 10 blocks to maturity, then he gets a prize.