No.
HUD is called from Game Mode , Hud Class (i believe)
Which one then? Game Mode or HUD. Could you show the script? It’s not about calling but creation - is the widget created in the HUD class?
Blueprint of object in Outliner.
How does does the actor that was created from this blueprint makes into the game. Did you drag it into the scene? Spawned it with a Spawn Actor from Class node? Something else?