Many of our client super users find it difficult to create Rollup Fields. Not because of the logic within the rollup fields or the actual metrics, but because the button remains unresponsive.

That is, until you have clicked somewhere within the Rollup Fields sub grid. I understand the logic if the tab "List Tools"-> "Rollup Fields" would be hidden unless the sub grid was selected, but it's right there. It causes a bit of frustration and time consumption as the super users can't figure it out themselves and call us for support where we give the same answer every time.

It would increase the intuitive aspect of Dynamics 365 for Sales if "Add New Rollup Field" responded without the need for any unexplained prerequisite steps.