Why are my loads not visible in the Studies Tab?

There are different reasons why loads are not visible/selectable in the Studies Tab. The main causes are the association of the Study to the wrong or even empty Design Part/solid.

Check to which geometry your study is referring to. If the geometry the study is referring to is empty, delete the Study and create a new one for your Design Part.
If you have multiple solids in the project check if the loads are applied to the Design Part/geometry the Study is referring to. You can activate a part as your active optimisation geometry by right clicking on the part and selecting “Set Design Target”.

The left picture shows the empty part “Bookshelf” and the Study which is referring to this part. There aren’t any loads or constraints applied to this part so the selection is empty. The right picture shows the part which includes the optimisation geometry. The Study is referring to a geometry to which loads and constraints are applied to and thus they can be selected in the Loads & Constraints tab.