[graphql-countries-part1] Cannot find module 'graphql/validation/rules/PossibleTypeExtensions'

[remster85]

While running sample

npm install
npm start

Result

  run `npm audit fix` to fix them, or `npm audit` for details
PS C:\Users\remid\Dev\graphql-samples\graphql-countries-part1> npm start  

> [email protected] start C:\Users\remid\Dev\graphql-samples\graphql-countries-part1
> nodemon ./server.js --exec babel-node

[nodemon] 1.17.4
[nodemon] to restart at any time, enter `rs`
[nodemon] watching: *.*
[nodemon] starting `babel-node ./server.js`
internal/modules/cjs/loader.js:955
  throw err;
  ^

Error: Cannot find module 'graphql/validation/rules/PossibleTypeExtensions'
Require stack:
- C:\Users\remid\Dev\graphql-samples\graphql-countries-part1\node_modules\apollo-graphql\lib\schema\buildSchemaFromSDL.js
- C:\Users\remid\Dev\graphql-samples\graphql-countries-part1\node_modules\apollo-graphql\lib\schema\index.js
- C:\Users\remid\Dev\graphql-samples\graphql-countries-part1\node_modules\apollo-graphql\lib\index.js
- C:\Users\remid\Dev\graphql-samples\graphql-countries-part1\node_modules\apollo-engine-reporting\dist\agent.js
- C:\Users\remid\Dev\graphql-samples\graphql-countries-part1\node_modules\apollo-server-core\dist\ApolloServer.js
- C:\Users\remid\Dev\graphql-samples\graphql-countries-part1\node_modules\apollo-server-core\dist\index.js
- C:\Users\remid\Dev\graphql-samples\graphql-countries-part1\node_modules\apollo-server-express\dist\index.js
- C:\Users\remid\Dev\graphql-samples\graphql-countries-part1\server.js
    at Function.Module._resolveFilename (internal/modules/cjs/loader.js:952:15)
    at Function.Module._load (internal/modules/cjs/loader.js:835:27)
    at Module.require (internal/modules/cjs/loader.js:1012:19)
    at require (internal/modules/cjs/helpers.js:72:18)
    at Object.<anonymous> (C:\Users\remid\Dev\graphql-samples\graphql-countries-part1\node_modules\apollo-graphql\src\schema\buildSchemaFromSDL.ts:34:1)
    at Module._compile (internal/modules/cjs/loader.js:1123:30)
    at Module._extensions..js (internal/modules/cjs/loader.js:1143:10)
    at Object.require.extensions.<computed> [as .js] (C:\Users\remid\Dev\graphql-samples\graphql-countries-part1\node_modules\babel-register\lib\node.js:152:7)
    at Module.load (internal/modules/cjs/loader.js:972:32)
    at Function.Module._load (internal/modules/cjs/loader.js:872:14) {
  code: 'MODULE_NOT_FOUND',
  requireStack: [
    'C:\\Users\\remid\\Dev\\graphql-samples\\graphql-countries-part1\\node_modules\\apollo-graphql\\lib\\schema\\buildSchemaFromSDL.js',
    'C:\\Users\\remid\\Dev\\graphql-samples\\graphql-countries-part1\\node_modules\\apollo-graphql\\lib\\schema\\index.js',
    'C:\\Users\\remid\\Dev\\graphql-samples\\graphql-countries-part1\\node_modules\\apollo-graphql\\lib\\index.js',
    'C:\\Users\\remid\\Dev\\graphql-samples\\graphql-countries-part1\\node_modules\\apollo-engine-reporting\\dist\\agent.js',
    'C:\\Users\\remid\\Dev\\graphql-samples\\graphql-countries-part1\\node_modules\\apollo-server-core\\dist\\ApolloServer.js',
    'C:\\Users\\remid\\Dev\\graphql-samples\\graphql-countries-part1\\node_modules\\apollo-server-core\\dist\\index.js',
    'C:\\Users\\remid\\Dev\\graphql-samples\\graphql-countries-part1\\node_modules\\apollo-server-express\\dist\\index.js',
    'C:\\Users\\remid\\Dev\\graphql-samples\\graphql-countries-part1\\server.js'
  ]
}
[nodemon] app crashed - waiting for file changes before starting...