Just letting you know that we’ve been investigating the prospect of raising the iteration count, and it turns out that changing that would cause other problems. We’re still trying to see if it’s feasible, but for the meantime, you’ll need to work around the 2147483647 limit.
I can use Rama’s plugin in the meantime if necessary. As soon as I get back to working on my river system I will work on carving it out as a standalone BP which should give me a little more room, assuming the iteration limit resets between blueprints…