我的代碼中出現以下錯誤org.springframework.beans.factory.UnsatisfiedDependencyException：創建名為“locationServiceImpl”的 bean 時出錯：通過方法“setLocationrepo”參數 0 表示的不滿意依賴；嵌套異常是 org.springframework.beans.factory.BeanCreationException：創建名為“locationRepository”的 bean 時出錯：調用 init 方法失??；嵌套異常是 java.lang.IllegalArgumentException: Not a managed type: class com.logan.location.entities.Location這是我的存儲庫界面package com.logan.location.repos;import org.springframework.data.jpa.repository.JpaRepository;import org.springframework.stereotype.Repository;import com.logan.location.entities.Location;@Repositorypublic interface LocationRepository extends JpaRepository<Location, Integer> {}這是我的服務接口package com.logan.location.service;import java.util.List;import org.springframework.stereotype.Service;import com.logan.location.entities.Location;@Servicepublic interface LocationService {    Location saveLocation(Location location);    Location updateLocation(Location location);    void deleteLocation(Location location);    Location getLocationById(int id);    List<Location> getAllLocations();}這是我的 serviceImplpackage com.logan.location.service;import java.util.List;import org.springframework.beans.factory.annotation.Autowired;import org.springframework.stereotype.Service;import com.logan.location.entities.Location;import com.logan.location.repos.LocationRepository;@Servicepublic class LocationServiceImpl implements LocationService {    private LocationRepository locationrepo;    @Autowired    public void setLocationrepo(LocationRepository locationrepo) {        this.locationrepo = locationrepo;    }    public Location saveLocation(Location location) {        // TODO Auto-generated method stub        return locationrepo.save(location);    }    public Location updateLocation(Location location) {        // TODO Auto-generated method stub        return locationrepo.save(location);    }它顯示我的位置實體類是非托管的，我嘗試了各種答案但它不起作用，有什么幫助嗎？