I think I found the problem. Around the same time (april) that this mod was reported to not work, Guilliman released an update for his planetary modifiers mod, making an adjustment to the rubricator system such that the planets in the newly created system would also be affected by his modifiers, and I believe that that change made it incompatible with this mod.

I've gone ahead and added his code for the rubricator system to this mod, so that (hopefully) if you're using Guilliman's planetary modifiers mod, you just need to load this after in order for this mod to still work. If you aren't using Guilliman's mod, then I would imagine that it still works. I ran a quick couple of tests and it seems to work fine in tandem with Guilliman's mod now.

@Jacket Better late than never, but I'm gonna attempt to fix it and throw out an update soon ^^ I may have found the culprit.

@Jacket, Thanks. I don't know if the mod is foolproof, but even if it's a bug, much as I'd like to fix it, I just don't think I'd be able to figure out how to solve it ^^ But I appreciate it.

This was working up until my most recent game, which is now having the system spawn like it does in the vanilla game. Just wanted to give you a heads up!