error.txt

Debugger listening on port 5858
module.js:338
    throw err;
          ^
Error: Cannot find module './env/undefined'
    at Function.Module._resolveFilename (module.js:336:15)
    at Function.Module._load (module.js:278:25)
    at Module.require (module.js:365:17)
    at require (module.js:384:17)
    at resolvingConfig (/Volumes/Nishant/Project/contribute/mean/mean/config/config.js:20:3)
    at Object.<anonymous> (/Volumes/Nishant/Project/contribute/mean/mean/config/config.js:29:18)
    at Module._compile (module.js:460:26)
    at Object.Module._extensions..js (module.js:478:10)
    at Module.load (module.js:355:32)
    at Function.Module._load (module.js:310:12)
    [nodemon] app crashed - waiting for file changes before starting...