Guillaume Smet I'll move this to the current sprint and assign it to you, since I suspect it's either solved, or will be solved by your work on the projection DSL. Could you please just check this after you're done, and resolve the ticket?
For example if you attempt to use Projection to load {{ProjectionConstants.EXPLANATION}}, this will trigger a pointless attempt to seek for a field named {{"__HSearch_Explanation"}} in the Document and attempt to load it.
Such an attempt is triggered for each of the results, and for each of the constants being projected.