This at least avoids running the global aggregate branch (which takes longer to run) when the specified global aggregate scenario source/s are not included in the scenario data, in which case the output would ultimately be an empty data frame even though it took a long time to run.
This at least avoids running the global aggregate branch (which takes longer to run) when the specified global aggregate scenario source/s are not included in the scenario data, in which case the output would ultimately be an empty data frame even though it took a long time to run.