[email protected] install D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\gulp-sass\node_modules\node-sass
node scripts/install.js

Downloading binary from https://npm.taobao.org/mirrors/node-sass/v3.13.1/win32-x64-64_binding.node
Cannot download "https://npm.taobao.org/mirrors/node-sass/v3.13.1/win32-x64-64_binding.node":

HTTP error 404 Not Found

Hint: If github.com is not accessible in your location
try setting a proxy via HTTP_PROXY, e.g.

  export HTTP_PROXY=http://example.com:1234

or configure npm proxy via

  npm config set proxy http://example.com:8080

[email protected] postinstall D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\gulp-sass\node_modules\node-sass
node scripts/build.js

Building: C:\Program Files\nodejs\node.exe D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\node-gyp\bin\node-gyp.js rebuild --verbose --libsass_ext= --libsass_cflags= --libsass_ldflags= --libsass_library=
gyp info it worked if it ends with ok
gyp verb cli [ 'C:\Program Files\nodejs\node.exe',
gyp verb cli 'D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\node-gyp\bin\node-gyp.js',
gyp verb cli 'rebuild',
gyp verb cli '--verbose',
gyp verb cli '--libsass_ext=',
gyp verb cli '--libsass_cflags=',
gyp verb cli '--libsass_ldflags=',
gyp verb cli '--libsass_library=' ]
gyp info using [email protected]
gyp info using [email protected] | win32 | x64
gyp verb command rebuild []
gyp verb command clean []
gyp verb clean removing "build" directory
gyp verb command configure []
gyp verb download using dist-url https://npm.taobao.org/dist
gyp verb check python checking for Python executable "python2" in the PATH
gyp verb which failed Error: not found: python2
gyp verb which failed at getNotFoundError (D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\which\which.js:13:12)
gyp verb which failed at F (D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\which\which.js:68:19)
gyp verb which failed at E (D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\which\which.js:80:29)
gyp verb which failed at D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\which\which.js:89:16
gyp verb which failed at D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\isexe\index.js:42:5
gyp verb which failed at D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\isexe\windows.js:36:5
gyp verb which failed at FSReqWrap.oncomplete (fs.js:153:21)
gyp verb which failed python2 { Error: not found: python2
gyp verb which failed at getNotFoundError (D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\which\which.js:13:12)
gyp verb which failed at F (D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\which\which.js:68:19)
gyp verb which failed at E (D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\which\which.js:80:29)
gyp verb which failed at D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\which\which.js:89:16
gyp verb which failed at D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\isexe\index.js:42:5
gyp verb which failed at D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\isexe\windows.js:36:5
gyp verb which failed at FSReqWrap.oncomplete (fs.js:153:21)
gyp verb which failed stack:
gyp verb which failed 'Error: not found: python2\n at getNotFoundError (D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\which\which.js:13:12)\n at F (D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\which\which.js:68:19)\n at E (D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\which\which.js:80:29)\n at D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\which\which.js:89:16\n at D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\isexe\index.js:42:5\n at D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\isexe\windows.js:36:5\n at FSReqWrap.oncomplete (fs.js:153:21)',
gyp verb which failed code: 'ENOENT' }
gyp verb check python checking for Python executable "python" in the PATH
gyp verb which succeeded python C:\Python37\python.EXE
gyp ERR! configure error
gyp ERR! stack Error: Command failed: C:\Python37\python.EXE -c import sys; print "%s.%s.%s" % sys.version_info[:3];
gyp ERR! stack File "", line 1
gyp ERR! stack import sys; print "%s.%s.%s" % sys.version_info[:3];
gyp ERR! stack ^
gyp ERR! stack SyntaxError: invalid syntax
gyp ERR! stack
gyp ERR! stack at ChildProcess.exithandler (child_process.js:294:12)
gyp ERR! stack at ChildProcess.emit (events.js:198:13)
gyp ERR! stack at maybeClose (internal/child_process.js:982:16)
gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_process.js:259:5)
gyp ERR! System Windows_NT 10.0.17763
gyp ERR! command "C:\Program Files\nodejs\node.exe" "D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\node-gyp\bin\node-gyp.js" "rebuild" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "--libsass_library="
gyp ERR! cwd D:\EGY_Makers\MY_MobApps_Projects\FullStackJS-master\FullStackJS-master\node_modules\gulp-sass\node_modules\node-sass
gyp ERR! node -v v10.16.3
gyp ERR! node-gyp -v v3.8.0
gyp ERR! not ok
Build failed with error code: 1
npm WARN [email protected] requires a peer of [email protected] - 3 but none is installed. You must install peer dependencies yourself.
npm WARN [email protected] requires a peer of popper.js@^1.16.0 but none is installed. You must install peer dependencies yourself.
npm WARN optional SKIPPING OPTIONAL DEPENDENCY: [email protected] (node_modules\fsevents):
npm WARN notsup SKIPPING OPTIONAL DEPENDENCY: Unsupported platform for [email protected]: wanted {"os":"darwin","arch":"any"} (current: {"os":"win32","arch":"x64"})

npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! [email protected] postinstall: node scripts/build.js
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the [email protected] postinstall script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\Mohamed Mostafa\AppData\Roaming\npm-cache_logs\2019-12-09T02_12_49_097Z-debug.log

How can I resolve this issue please tell me??
Is there is any npm version problem because I use npm 6.9.0

getting Cannot GET / issue on http://localhost:4000/

Cannot load the index page - is there a particular version of Node / NPM I should use ? The package.json file does not specify.

Thanks.

(node:1256) DeprecationWarning: open() is deprecated in mongoose >= 4.11.0, use openUri() instead, or set the useMongoClient option if using connect() or createConnection().