Uhh your sentence can be interpreted in a multitude of ways. But I assume you mean that it doesn’t generate at higher Values, which is obvious since it replaces the already existing Water with Riverwater and nothing else. It wont flood your World for no reason.
Edit: as for that weird Error in the Config, something is fucked on an internet scale. Also this is clearly not the same problem as Tanaka has, like super obviously not the same Issue.