Angular 2プロジェクトを開始できません

Question

何が起こったのか分かりませんが、なんらかの理由で私はもうAngular 2プロジェクトを開始できず、なぜエラーに基づいているのかわかりません... ..

node_modules/@types/core-js/index.d.ts(21,14): error TS2300: Duplicate identifier 'PropertyKey'. 
node_modules/@types/core-js/index.d.ts(85,5): error TS2687: All declarations of 'name' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(145,5): error TS2403: Subsequent variable declarations must have the same type. Variable '[Symbol.unscopables]' must be of type '{ copyWithin: boolean; entries: boolean; fill: boolean; find: boolean; findIndex: boolean; keys: ...', but here has type 'any'. 
node_modules/@types/core-js/index.d.ts(262,5): error TS2687: All declarations of 'flags' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(276,5): error TS2687: All declarations of 'EPSILON' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(311,5): error TS2687: All declarations of 'MAX_SAFE_INTEGER' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(318,5): error TS2687: All declarations of 'MIN_SAFE_INTEGER' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(457,5): error TS2403: Subsequent variable declarations must have the same type. Variable '[Symbol.toStringTag]' must be of type '"Symbol"', but here has type 'string'. 
node_modules/@types/core-js/index.d.ts(457,5): error TS2687: All declarations of '[Symbol.toStringTag]' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(464,5): error TS2687: All declarations of 'prototype' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(492,5): error TS2687: All declarations of 'hasInstance' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(498,5): error TS2687: All declarations of 'isConcatSpreadable' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(504,5): error TS2687: All declarations of 'iterator' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(510,5): error TS2687: All declarations of 'match' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(516,5): error TS2687: All declarations of 'replace' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(522,5): error TS2687: All declarations of 'search' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(528,5): error TS2687: All declarations of 'species' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(534,5): error TS2687: All declarations of 'split' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(540,5): error TS2687: All declarations of 'toPrimitive' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(546,5): error TS2687: All declarations of 'toStringTag' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(552,5): error TS2687: All declarations of 'unscopables' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(609,5): error TS2403: Subsequent variable declarations must have the same type. Variable '[Symbol.toStringTag]' must be of type '"Math"', but here has type 'string'. 
node_modules/@types/core-js/index.d.ts(609,5): error TS2687: All declarations of '[Symbol.toStringTag]' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(613,5): error TS2403: Subsequent variable declarations must have the same type. Variable '[Symbol.toStringTag]' must be of type '"JSON"', but here has type 'string'. 
node_modules/@types/core-js/index.d.ts(613,5): error TS2687: All declarations of '[Symbol.toStringTag]' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(628,5): error TS2687: All declarations of 'size' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(634,5): error TS2687: All declarations of 'prototype' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(645,5): error TS2687: All declarations of 'size' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(651,5): error TS2687: All declarations of 'prototype' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(666,5): error TS2687: All declarations of 'prototype' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(680,5): error TS2687: All declarations of 'prototype' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(692,5): error TS2687: All declarations of 'value' must have identical modifiers. 
node_modules/@types/core-js/index.d.ts(804,5): error TS2687: All declarations of 'prototype' must have identical modifiers. 
node_modules/typescript/lib/lib.es6.d.ts(4133,14): error TS2300: Duplicate identifier 'PropertyKey'. 

npm ERR! Windows_NT 10.0.14393 
npm ERR! argv "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\Error\\AppData\\Roaming\\npm\\node_modules\\npm\\bin\\npm-cli.js" "start" 
npm ERR! node v6.9.1 
npm ERR! npm v3.10.9 
npm ERR! code ELIFECYCLE 
npm ERR! otb-app@1.0.0 start: `tsc && concurrently "tsc -w" "lite-server" ` 
npm ERR! Exit status 2 
npm ERR! 
npm ERR! Failed at the otb-app@1.0.0 start script 'tsc && concurrently "tsc -w" "lite-server" '. 
npm ERR! Make sure you have the latest version of node.js and npm installed. 
npm ERR! If you do, this is most likely a problem with the otb-app package, 
npm ERR! not with npm itself. 
npm ERR! Tell the author that this fails on your system: 
npm ERR!  tsc && concurrently "tsc -w" "lite-server" 
npm ERR! You can get information on how to open an issue for this project with: 
npm ERR!  npm bugs otb-app 
npm ERR! Or if that isn't available, you can get their info via: 
npm ERR!  npm owner ls otb-app 
npm ERR! There is likely additional logging output above. 

npm ERR! Please include the following file with any support request: 
npm ERR!  Z:\Google Drive\Programming\Apps\SubCon - Web App\npm-debug.log 

私はそれを解読できません。私はファイルを完全にシャットダウンさせるためにファイルが何をしたのかわかりません....私はもっと情報を提供することができますが、実際に何が役立つかという手がかりはありません。

Answer 1

時々、ネットワークの問題などによりnpm installが間違っています。だからあなたが問題に直面し続ける場合は、もう一度消去してください。node_modules folderとnpm install cmd