What are these errors and what are they associated with?

Question

Node.js

Just solved a problem with Python
Now got this

gyp ERR! configure error
gyp ERR! stack Error: `gyp` failed with exit code: 1
gyp ERR! stack at ChildProcess.onCpExit (C:\Users\Sanya\Desktop\website\_optimiz
ed_gulp_sass\node_modules\node-gyp\lib\configure.js:345:16)
gyp ERR! stack at ChildProcess.emit(events.js:182:13)
gyp ERR! stack at Process.ChildProcess._handle.onexit (internal/child_proces
s.js:237:12)
gyp ERR! System Windows_NT 6.1.7601
gyp ERR! command "C:\\Program Files\\nodejs\\node.exe" "C:\\Users\\Sanya\\Desktop
\\website\\_optimized_gulp_sass\\node_modules\\node-gyp\\bin\\node- gyp.js" "rebuild
" "--verbose" "--libsass_ext=" "--libsass_cflags=" "--libsass_ldflags=" "
gyp ERR! cwd C:\Users\Sanya\Desktop\website\_optimized_gulp_sass\node_modules\node-s
ass
gyp ERR! node -v v10.7.0
gyp ERR! node-gyp -v v3.7.0
gyp ERR! not ok
Build failed with error code: 1
npm WARN [email protected] No repository field.
npm WARN [email protected] No license field.
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 log
ging output above.
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\Sanya\AppData\Roaming\npm-cache\_logs\2018-07-26T20_48_31_8
49Z-debug.log