Issue on running

[garalimedkarim]

when doing npm run ionic:serve Or ionic serve:

[17:55:16]  typescript: node_modules/@ionic/storage/es2015/storage.d.ts, line: 2 
            Module 
            '"/home/..../Awesome-Places/node_modules/@angular/core/core"'
            has no exported member 'OpaqueToken'. 

       L1:  import { OpaqueToken } from '@angular/core';
       L3:   * Storage is an easy way to store key/value pairs and JSON objects.