Firebase: Firebase App named '[DEFAULT]' already exists (app/duplicate-app).▶ 2 stack frames were collapsed.new FirebaseC:/Users/arhoy/OneDrive/Desktop/web-development/playground/gatsby/react-gatsby-firebase-authentication/src/components/Firebase/firebase.js:76  73 |            }  74 |   75 |            // merge auth and db user> 76 |            authUser = {  77 |              uid: authUser.uid,  78 |              email: authUser.email,  79 |              emailVerified: authUser.emailVerified,View compiledgetFirebaseC:/Users/arhoy/OneDrive/Desktop/web-development/playground/gatsby/react-gatsby-firebase-authentication/src/components/Firebase/firebase.js:104  101 |   messages = () => this.db.ref('messages');  102 | }  103 | > 104 | let firebase;  105 |   106 | function getFirebase(app, auth, database) {  107 |   if (!firebase) {View compiled(anonymous function)C:/Users/arhoy/OneDrive/Desktop/web-development/playground/gatsby/react-gatsby-firebase-authentication/src/components/layout.js:1> 1 | import React, { Component, Fragment } from 'react';  2 |   3 | import Navigation from './Navigation';  4 | import getFirebase, { FirebaseContext } from './Firebase';