Invalid configuration object

[abdulsafuwan786]

My log file is:
0 info it worked if it ends with ok
1 verbose cli [ 'C:\Program Files\nodejs\node.exe',
1 verbose cli 'C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js',
1 verbose cli 'start' ]
2 info using [email protected]
3 info using [email protected]
4 verbose run-script [ 'prestart', 'start', 'poststart' ]
5 info lifecycle [email protected]prestart: [email protected]
6 info lifecycle [email protected]start: [email protected]
7 verbose lifecycle [email protected]start: unsafe-perm in lifecycle true
8 verbose lifecycle [email protected]start: PATH: C:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\node-gyp-bin;C:\Users\ABDUL SAFWAN\Desktop\reactApp\node_modules.bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\Program Files (x86)\Smart Projects\IsoBuster;C:\Program Files\MySQL\MySQL Server 5.5\bin;C:\Program Files\nodejs;C:\Program Files\Java\jdk1.8.0_171\bin;C:\Windows\system32;C:\Windows;C:\Windows\System32\Wbem;C:\Windows\System32\WindowsPowerShell\v1.0;C:\Program Files (x86)\Smart Projects\IsoBuster;C:\Program Files\MySQL\MySQL Server 5.5\bin;C:\Program Files\nodejs;C:\Program Files\Java\jdk1.8.0_171
9 verbose lifecycle [email protected]start: CWD: C:\Users\ABDUL SAFWAN\Desktop\reactApp
10 silly lifecycle [email protected]start: Args: [ '/d /s /c', 'webpack-dev-server --hot' ]
11 silly lifecycle [email protected]start: Returned: code: 1 signal: null
12 info lifecycle [email protected]start: Failed to exec start script
13 verbose stack Error: [email protected] start: webpack-dev-server --hot
13 verbose stack Exit status 1
13 verbose stack at EventEmitter. (C:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\index.js:285:16)
13 verbose stack at emitTwo (events.js:126:13)
13 verbose stack at EventEmitter.emit (events.js:214:7)
13 verbose stack at ChildProcess. (C:\Program Files\nodejs\node_modules\npm\node_modules\npm-lifecycle\lib\spawn.js:55:14)
13 verbose stack at emitTwo (events.js:126:13)
13 verbose stack at ChildProcess.emit (events.js:214:7)
13 verbose stack at maybeClose (internal/child_process.js:925:16)
13 verbose stack at Process.ChildProcess._handle.onexit (internal/child_process.js:209:5)
14 verbose pkgid [email protected]
15 verbose cwd C:\Users\ABDUL SAFWAN\Desktop\reactApp
16 verbose Windows_NT 6.3.9600
17 verbose argv "C:\Program Files\nodejs\node.exe" "C:\Program Files\nodejs\node_modules\npm\bin\npm-cli.js" "start"
18 verbose node v8.9.4
19 verbose npm v5.6.0
20 error code ELIFECYCLE
21 error errno 1
22 error [email protected] start: webpack-dev-server --hot
22 error Exit status 1
23 error Failed at the [email protected] start script.
23 error This is probably not a problem with npm. There is likely additional logging output above.
24 verbose exit [ 1, true ]

Package.json is
{
"name": "react-app",
"version": "0.0.0",
"description": "A sample Node.js app using React",
"main": "index.html",
"scripts": {
"start": "webpack-dev-server --hot"
},
"author": "safuwan",
"license": "ISC",
"dependencies": {
"babel-core": "^6.26.3",
"babel-loader": "^7.1.4",
"babel-preset-es2015": "^6.24.1",
"babel-preset-react": "^6.24.1",
"npm": "^6.1.0",
"react": "^16.4.1",
"react-dom": "^16.4.1",
"webpack": "^4.14.0",
"webpack-dev-server": "^3.1.4"
},
"devDependencies": {
"webpack-cli": "^3.0.8"
}
}