からなる is comprising, composed of or made up of....although I can't explain very well the differences between that and からある、からする。
からある行動計画をまとめた。From 7 items a certain action plan was brought together. ???
からする行動計画をまとめた From 7 items the action plan that was done was compiled. ??? It's a stock sentence for practice, neither probably makes sense in the context of a plan that is already under discussion.