cordova - property 'then' of undefined

Question

I've been trying everything on internet but still got this error ERROR Error: Uncaught (in promise): TypeError: Cannot read property 'then' of undefined TypeError: Cannot read property 'then' of undefined

try to run it with ionic cordova run browser still doesn't work even when I try it on android studio emulator please help me solve this, and this is my code from db.service.ts

    private platform: Platform, 
    private sqlite: SQLite, 
    private httpClient: HttpClient,
    private sqlPorter: SQLitePorter,
  ) {
    this.platform.ready().then(() => {
      this.sqlite.create({
        name: 'positronx_db.db',
        location: 'default'
      })
      .then((db: SQLiteObject) => {
          this.storage = db;
          this.getFakeData();
      });
    });
  }

  dbState() {
    return this.isDbReady.asObservable();
  }
 
  fetchSongs(): Observable<Song[]> {
    return this.songsList.asObservable();
  }```

question from:https://stackoverflow.com/questions/65680140/property-then-of-undefined

Answer 1

I believe this is because of plugin doesn't support browser platform. you must try this in real device and i believe everything will work for you.

https://ionicframework.com/docs/native/sqlite