[BUG] The latest master code crash in heroku and not on local

[vinitkumar]

Error: Cannot find module 'passport-local'
Require stack:
/app/config/passport.js
/app/server.js
Function.Module._resolveFilename (internal/modules/cjs/loader.js:982:15)
at Function.Module._load (internal/modules/cjs/loader.js:864:27)
at Module.require (internal/modules/cjs/loader.js:1044:19)
at require (internal/modules/cjs/helpers.js:77:18)
at Object.<anonymous> (/app/config/passport.js:2:23)
at Module._compile (internal/modules/cjs/loader.js:1158:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1178:10)
at Module.load (internal/modules/cjs/loader.js:1002:32)
at Function.Module._load (internal/modules/cjs/loader.js:901:14)
at Module.require (internal/modules/cjs/loader.js:1044:19)
at require (internal/modules/cjs/helpers.js:77:18)
at Object.<anonymous> (/app/server.js:51:1)
at Module._compile (internal/modules/cjs/loader.js:1158:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1178:10)
at Module.load (internal/modules/cjs/loader.js:1002:32)
at Function.Module._load (internal/modules/cjs/loader.js:901:14) {
code: 'MODULE_NOT_FOUND',
requireStack: [ '/app/config/passport.js', '/app/server.js' ]
}

This crashes and I have no clue why?