서버를 실행하지 않은 상태에서 클라쪽 실행했을때

[sujkh85]

go fight 버튼 클릭후 깃허브 아이콘을 클릭시 에러가 발생합니다.
Uncaught Error: The error you provided does not contain a stack trace.
at x (index.js:1588)
at G (index.js:1905)
at n (index.js:1924)
at index.js:1937
at index.js:1409
at Object.invokeGuardedCallbackDev (react-dom.development.js:193)
at invokeGuardedCallback (react-dom.development.js:243)
at invokeGuardedCallbackAndCatchFirstError (react-dom.development.js:258)
at executeDispatch (react-dom.development.js:615)
at executeDispatchesInOrder (react-dom.development.js:640)
at executeDispatchesAndRelease (react-dom.development.js:740)
at executeDispatchesAndReleaseTopLevel (react-dom.development.js:753)
at forEachAccumulated (react-dom.development.js:720)
at runEventsInBatch (react-dom.development.js:896)
at runExtractedEventsInBatch (react-dom.development.js:906)
at handleTopLevel (react-dom.development.js:5074)
at batchedUpdates$1 (react-dom.development.js:18374)
at batchedUpdates (react-dom.development.js:2299)
at dispatchEvent (react-dom.development.js:5154)
at interactiveUpdates$1 (react-dom.development.js:18436)
at interactiveUpdates (react-dom.development.js:2320)
at dispatchInteractiveEvent (react-dom.development.js:5130)