Unsure if this can be improved

Review a completed game. If I go straight to the 4th move in the game within analysis' "moves played" and then I swipe over to opening explorer, rarely will the sequence be named.

But if I start opening explorer from move 1, and proceed a few moves to move 4, that exact same
Position will have an opening name

This causes a lot of positions to have no opening name unless I start the explorer from move 1 and move forward from the first move of the game.
If the position is the same regardless if I move backwards or forwards, it is unclear to me why one sequence retrieves the opening name and the reverse does not