Error in running build to project

Hello friends,
I run “ionic cordova build android” and I get next error, how I can fix it?

ionic-v1 build
[20:23:53] Cannot load gulp: Error: Error in module: .\gulpfile.js:
Error: Cannot find module ‘node-sass’
at Function.Module._resolveFilename (module.js:548:15)
at Function.Module._load (module.js:475:25)
at Module.require (module.js:597:17)
at require (internal/module.js:11:18)
at Object. (C:\Whizor\whizor-app\whizor-ionic\node_modules\gulp-sass\index.js:187:21)
at Module._compile (module.js:653:30)
at Object.Module._extensions…js (module.js:664:10)
at Module.load (module.js:566:32)
at tryModuleLoad (module.js:506:12)
at Function.Module._load (module.js:498:3)
[20:23:53] Cannot run sass task: missing in gulpfile.js
cordova build android
cordova-android-support-gradle-release: ERROR: EXCEPTION: Failed to load dependencies. If using cordova@6 CLI, ensure this plugin is installed with the --fetch option: Error: Cannot find module ‘xml2js’
Discovered plugin “cordova-plugin-flurry-analytics” in config.xml. Adding it to the project
Failed to restore plugin “cordova-plugin-flurry-analytics” from config.xml. You might need to try adding it again. Error: Failed to fetch plugin cordova-plugin-flurry-analytics@~1.4.3 via registry.
Probably this is either a connection problem, or plugin spec is incorrect.
Check your connection and plugin name/version/URL.
Error: cmd: Command failed with exit code 1 Error output:
npm ERR! code E404
npm ERR! 404 Not Found: cordova-plugin-flurry-analytics@~1.4.3

npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\yurisi\AppData\Roaming\npm-cache_logs\2018-10-08T17_24_20_465Z-debug.log
Cannot find plugin.xml for plugin “cordova-plugin-flurry-analytics”. Please try adding it again.
[ERROR] An error occurred while running subprocess cordova.

npm install node-sass