MoveToActor Link Error

#include “AIController.h”

void AEnemyCharacter::MoveTo()
{

	AController* Controller = GetController();
	AAIController* AIPawnController =(AAIController*)Controller;
	float fAcceptanceRadius = m_fBestAttackRange * 0.75f;
	AIPawnController->MoveToActor(Actor, fAcceptanceRadius);
}

Why are link2019 errors occurring?

Sorry I can not speak English, but I have a translator.