No such table error

[beproductivedevelop34]

it gives an error

E/Dart    ( 4638): Invalid UTF8 sequence encountered, 
E/Dart    ( 4638): (Error Code: FD + idx: 234 )
E/Dart    ( 4638): (Error Code: 64 + idx: 235 )
E/Dart    ( 4638): (Error Code: 22 + idx: 236 )
E/Dart    ( 4638): (Error Code: 20 + idx: 237 )
E/Dart    ( 4638): (Error Code: 3A + idx: 238 )
E/Dart    ( 4638): (Error Code: 20 + idx: 239 )
E/Dart    ( 4638): (Error Code: 69 + idx: 240 )
E/Dart    ( 4638): (Error Code: 64 + idx: 241 )
E/Dart    ( 4638): (Error Code: 2C + idx: 242 )
E/Dart    ( 4638): (Error Code: D + idx: 243 )
E/Dart    ( 4638): 
E/Dart    ( 4638): Invalid UTF8 sequence encountered, 
E/Dart    ( 4638): (Error Code: FD + idx: 234 )
E/Dart    ( 4638): (Error Code: 64 + idx: 235 )
E/Dart    ( 4638): (Error Code: 22 + idx: 236 )
E/Dart    ( 4638): (Error Code: 20 + idx: 237 )
E/Dart    ( 4638): (Error Code: 3A + idx: 238 )
E/Dart    ( 4638): (Error Code: 20 + idx: 239 )
E/Dart    ( 4638): (Error Code: 69 + idx: 240 )
E/Dart    ( 4638): (Error Code: 64 + idx: 241 )
E/Dart    ( 4638): (Error Code: 2C + idx: 242 )
E/Dart    ( 4638): (Error Code: D + idx: 243 )
E/Dart    ( 4638): 

E/SQLiteLog( 4638): (1) no such table: Persons
E/flutter ( 4638): [ERROR:flutter/lib/ui/ui_dart_state.cc(198)] Unhandled Exception: DatabaseException(no such table: Persons (code 1): , while compiling: SELECT * FROM Persons) sql 'SELECT * FROM Persons' args []
E/flutter ( 4638): #0      wrapDatabaseException (package:sqflite/src/exception_impl.dart:11:7)
E/flutter ( 4638): <asynchronous suspension>
E/flutter ( 4638): #1      SqfliteDatabaseMixin.txnRawQuery.<anonymous closure> (package:sqflite_common/src/database_mixin.dart:404:30)
E/flutter ( 4638): <asynchronous suspension>
E/flutter ( 4638): #2      BasicLock.synchronized (package:synchronized/src/basic_lock.dart:33:16)
E/flutter ( 4638): <asynchronous suspension>
E/flutter ( 4638): #3      SqfliteDatabaseMixin.txnSynchronized (package:sqflite_common/src/database_mixin.dart:344:14)
E/flutter ( 4638): <asynchronous suspension>
E/flutter ( 4638): #4      KisilerO.readData (package:database/KisilerO.dart:15:37)
E/flutter ( 4638): <asynchronous suspension>
E/flutter ( 4638): #5      _MyHomePageState.writedData (package:database/main.dart:37:26)
E/flutter ( 4638): <asynchronous suspension>
E/flutter ( 4638): 

codes

import 'dart:core';
import 'dart:async';
import 'package:path/path.dart';
import 'package:sqflite/sqflite.dart';
import 'package:database/Kisiler.dart';
var name;
class KisilerO{

  static Future<Database> init() async{
    return openDatabase(join(await getDatabasesPath(),"uns.db"));
  }
  static Future<List<Kisiler>> readData() async{
    var db = await init();
    List<Map<String,dynamic>> map = await db.query("Persons");
    return List.generate(map.length, (index) {
      return Kisiler(
        id : map[index]["id"],
        isim : map[index]["isim"],
        yas : map[index]["yas"],

      );
    });
  }
}

import 'package:flutter/material.dart';
class Kisiler {
  late int id;
  late String isim;
  late int yas;
  Kisiler({required this.id,required this.isim,required this.yas});
  Map<String,dynamic> toMap(){
    return {
      "ıd" : id,
      "name" : isim,
      "old" : yas
    };
  }
}

[FDhunterz]

maybe you can try https://pub.dev/packages/sql_query