if FileManager.default.fileExists(atPath: saveFilePath) {
            let stack = DataStack(
                xcodeModelName: "BelotScorer",
                bundle: Bundle.main
            )
            do {

                try stack.addStorageAndWait(
                    SQLiteStore(
                        fileURL: storeURL,
                        localStorageOptions: .allowSynchronousLightweightMigration
                    )
                )
            }
            catch let error as NSError {
                print(error.localizedDescription)
            }

            CoreStore.defaultStack = stack
        }