Calm down. It means look at the class not that it should just work.
.cpp
#include "AIModulePrivate.h"
#include "DetourCrowdAIController.h"
#include "Navigation/CrowdFollowingComponent.h"
ADetourCrowdAIController::ADetourCrowdAIController(const FObjectInitializer& ObjectInitializer)
: Super(ObjectInitializer.SetDefaultSubobjectClass<UCrowdFollowingComponent>(TEXT("PathFollowingComponent")))
{
}
.h
#pragma once
#include "AIController.h"
#include "DetourCrowdAIController.generated.h"
UCLASS()
class ADetourCrowdAIController : public AAIController
{
GENERATED_BODY()
public:
ADetourCrowdAIController(const FObjectInitializer& ObjectInitializer);
};