Blueprint to C++ and Engine Freezing?

[Alexa.Ki (Alendromeda.ki)]

void AMyGameMode::RandomLocation(TArray<FTransform> Available, FTransform& Location)
{
	FTransform GetByRef;
	GetByRef = Available[FMath::RandRange(1, Available.Num() - 1)];
	Location = GetByRef;
}