In your custom game mode constructor, add this:
PrimaryActorTick.bStartWithTickEnabled = true;
PrimaryActorTick.bCanEverTick = true;
and see if it ticks now.
In your custom game mode constructor, add this:
PrimaryActorTick.bStartWithTickEnabled = true;
PrimaryActorTick.bCanEverTick = true;
and see if it ticks now.