When clicking on the name of a column in order to Sort, nothing happens.
And the Column title is not appearing in Blue, like the other Sortable columns
Compensation - Variable Pay
In order for a column to be 'Sortable'. It must be set, in columns designer, as Reportable.
Once this is done, you will be able to click on the column name to 'Sort'
Sort , Custom Field , , KBA , LOD-SF-CMP , Compensation Management , How To