problem solved, no idea why

Source/OpenConflict/PlayerCharacter/DDICharacter.cpp

@@ -8,6 +8,10 @@ ADDICharacter::ADDICharacter()
 {
  	// Set this character to call Tick() every frame.  You can turn this off to improve performance if you don't need it.
 	PrimaryActorTick.bCanEverTick = true;
+	CameraComponent = CreateDefaultSubobject<UCameraComponent>(TEXT("CameraComponent"));
+	CameraComponent->SetupAttachment(GetMesh());
+	CameraComponent->SetRelativeLocation(FVector(0.0f, 0.0f, 50.0f));
+	CameraComponent->bUsePawnControlRotation = true;
 
 }
 
@@ -25,10 +29,4 @@ void ADDICharacter::Tick(float DeltaTime)
 
 }
 
-// Called to bind functionality to input
-void ADDICharacter::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
-{
-	Super::SetupPlayerInputComponent(PlayerInputComponent);
-
-}