Level Load a Resource Group


I would like to level load a resource group but am not sure how to do it other than manually. Within our resource group, we have 2 resources. I want to add one weekly job on each resource out to the end of the year. I added these manually, but the system didn’t like that and stopped planning unfirmed jobs in the future (it wanted them all up front via suggestions). Maybe I have a setting off. Appreciate the help.