I am having a Favicon Error H10 in the Nodejs Application Backend Deploy Heroku

Question

Knexfile code:

module.exports = {

  development: {
    client: 'sqlite3',
    connection: {
      filename: './src/database/db.sqlite'
    },
    migrations:{
      directory: './src/database/migrations'
    },
    useNullAsDefault:true,
  },

  production: {
    client:'pg',
    connection:process.env.DATABASE_URL,
  migrations:{
    directory: __dirname +'/src/database/migrations'
  },
  useNullAsDefault:true
},


  

}; 

{
  "name": "backend",
  "version": "1.0.0",
  "description": "",
  "main": "index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "dev": "nodemon src/index.js",
    "start": "set NODE_ENV= production node src/index.js"
  },
  "keywords": [],
  "author": "",
  "license": "ISC",
  "dependencies": {
    "celebrate": "^12.2.0",
    "cors": "^2.8.5",
    "dotenv": "^8.2.0",
    "express": "^4.17.1",
    "knex": "^0.20.13",
    "leaflet": "^1.7.1",
    "multer": "^1.4.2",
    "nodemailer": "^6.4.11",
    "nodemailer-smtp-transport": "^2.7.4",
    "nodemon": "^2.0.2",
    "pg": "^8.5.1",
    "react-leaflet": "^2.7.0",
    "sqlite3": "^4.1.1"
  }
}