Swift CoreData let entity = NSEntityDescription.entity가 nil로 붕괴됨

문장은 대체적인 실시 절차를 소개한다.

해결 방법: AppDelegate 수정

  // MARK: - Core Data stack
    
    lazy var persistentContainer: NSPersistentContainer = {
        /*
         The persistent container for the application. This implementation
         creates and returns a container, having loaded the store for the
         application to it. This property is optional since there are legitimate
         error conditions that could cause the creation of the store to fail.
         */
        let container = NSPersistentContainer(name: "xcdatamodeld名")...