Game mode is not called on begin play

I’ve re created the moba Game mode, but its never called upon… anyone know what the problem is with it ? … I have selected it under Project settings, yet nothing happens (it never gets called upon.) Casting from another blueprint to the gamemode also fails. Event Begin Play doesn’t call my Game mode BP

Debug with print its not being used, also refer from another BP gets a blueprint error…
What did I miss? or just a bug ?