Running into a very strange issue ever since force. With your plugin enabled and the Category Stack Multipliers > Resources: 10, water does not function correctly. You're unable to use jerry cans to give/take water, pumps do not work, water catchers do not work. Setting that to 9 and then to 11 both work, along with every number 2-8, for what it's worth. I ran on our test server with only this plugin installed to limit test and that's what seemed to be the issue. Very odd. 

Thanks for the report, Fixed & Updated