Throwing exception

[jyotirmaybanerjee]

babel-node devServer.js --harmony

/Users/jb/projects/REACT/redux/learn-redux/node_modules/webpack-dashboard/dashboard/index.js:20
this.screen.key(['escape', 'q', 'C-c'], () => process.exit(0));
^
SyntaxError: Unexpected token )
at exports.runInThisContext (vm.js:53:16)
at Module._compile (module.js:411:25)
at Module._extensions..js (module.js:446:10)
at Object.require.extensions.(anonymous function) as .js
at Module.load (module.js:353:32)
at Function.Module._load (module.js:308:12)
at Module.require (module.js:363:17)
at require (module.js:382:17)
at Object. (/Users/jb/projects/REACT/redux/learn-redux/node_modules/webpack-dashboard/index.js:1:79)
at Module._compile (module.js:428:26)

[jyotirmaybanerjee]

After moving to Node 6 I'm getting the below exception

node_modules/babel/node_modules/babel-core/lib/transformation/file/options/option-manager.js:126
if (!option) this.log.error("Unknown option: " + alias + "." + key, ReferenceError);
^

TypeError: Cannot read property 'error' of undefined
at OptionManager.mergeOptions (/Users/jb/node_modules/babel/node_modules/babel-core/lib/transformation/file/options/option-manager.js:126:28)
at OptionManager.addConfig (/Users/jb/node_modules/babel/node_modules/babel-core/lib/transformation/file/options/option-manager.js:107:10)
at OptionManager.findConfigs (/Users/jb/node_modules/babel/node_modules/babel-core/lib/transformation/file/options/option-manager.js:168:35)
at OptionManager.init (/Users/jb/node_modules/babel/node_modules/babel-core/lib/transformation/file/options/option-manager.js:229:12)
at compile (/Users/jb/node_modules/babel/node_modules/babel-core/lib/api/register/node.js:117:22)
at normalLoader (/Users/jb/node_modules/babel/node_modules/babel-core/lib/api/register/node.js:199:14)
at Object.require.extensions.(anonymous function) as .js
at Module.load (module.js:458:32)
at tryModuleLoad (module.js:417:12)
at Function.Module._load (module.js:409:3)
at Module._compile (module.js:428:26)

[jyotirmaybanerjee]

Hurrah .. It is working now.
The second issue was due to babel-register hook.

Thanks. Closing the issue.