run start error

[gisshare2015]

Have warning in chrome warning.js:33 Warning: Unknown prop active on

tag. Remove this prop from the element. For details, see https://fb.me/react-unknown-prop in div (created by Menubar) in ul (created by DropdownMenu) in RootCloseWrapper (created by DropdownMenu)

Have error in chrome Main.js:47 unhandled error: Main.js:48 ReferenceError: Loader is not defined at ViewerContainer._callee$ (Viewer.Container.js:58) at tryCatch (runtime.js:62) at Generator.invoke [as _invoke] (runtime.js:296) at Generator.prototype.(:3000/anonymous function) [as next] (http://127.0.0.1:3000/main.js:53580:21) at step (asyncToGenerator.js:17) at asyncToGenerator.js:35 at new Promise () at new F (_export.js:35) at ViewerContainer. (asyncToGenerator.js:14) at ViewerContainer.componentDidMount (main.js:116913)

Then Loading file client.js:621 Uncaught (in promise) Error: Request has been terminated Possible causes: the network is offline, Origin is not allowed by Access-Control-Allow-Origin, the page is being unloaded, etc. at Request.webpackJsonp../node_modules/superagent/lib/client.js.Request.crossDomainError (client.js:621) at XMLHttpRequest.xhr.onreadystatechange (client.js:703)

Excuse me, can you help me solve this problem?