gulp --production error

[razzaghi]

**Hi

I got error on running command gulp --production

this is error :**

module.js:338
throw err;
^
Error: Cannot find module 'core-js/library/fn/array/from'
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 Object. (D:\Projects\Laravel\dializSheet\node_modules\karma\lib\middleware\source_files.js:1:74)
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)
at Module.require (module.js:365:17)
at require (module.js:384:17)
at Object. (D:\Projects\Laravel\dializSheet\node_modules\karma\lib\web-server.js:12:29)
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)

[silverbux]

try deleting node_modules folder and do a npm install again.