error prod compilation with jhipster

Hi,

I use Jhipster and the very beautiful ng2-smart-table module ;)

When I try to compile with dev profile it's working. But when I want to compile with production profile, I have an error with ng2-smart-table module.

C:\dev\test>npm run webpack -- --config webpack/webpack.prod.js --profile

> test@2.0.5 webpack C:\dev\test
> node --max_old_space_size=4096 node_modules/webpack/bin/webpack.js "--config" "webpack/webpack.prod.js" "--profile"

(node:13472) DeprecationWarning: Tapable.plugin is deprecated. Use new API on `.hooks` instead
Hash: 5eed0bae71922c9ba9fb
Version: webpack 4.25.1
Time: 7878ms
Built at: 2019-01-29 11:45:36
13 assets
Entrypoint polyfills = app/polyfills.5eed0bae71922c9ba9fb.bundle.js
Entrypoint global = global.f6616ee21f41e5d1acb4.css app/global.5eed0bae71922c9ba9fb.bundle.js
Entrypoint main = app/main.5eed0bae71922c9ba9fb.bundle.js
[0] ./src/main/webapp/app/polyfills.ts 0 bytes {2} [built]
factory:6931ms building:25ms = 6956ms
[1] ./src/main/webapp/content/scss/global.scss 39 bytes {0} [built]
factory:5719ms building:1619ms = 7338ms
[3] ./src/main/webapp/app/app.main.ts 0 bytes {1} [built]
factory:6932ms building:25ms = 6957ms
+ 1 hidden module

ERROR in Module build failed (from ./node_modules/sass-loader/lib/loader.js):

undefined
^
Expected selector.
stdin 3:5 root stylesheet
in C:\dev\test\node_modules\ng2-smart-table\components\filter\filter.component.scss (line 3, column 5)
npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! test@2.0.5 webpack: `node --max_old_space_size=4096 node_modules/webpack/bin/webpack.js "--config" "webpack/webpack.prod.js" "--profile"`
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the test@2.0.5 webpack script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.

So, I have the same Deprecated message like https://stackoverflow.com/questions/52430083/jhipster-is-producing-error-while-building-for-production but I undertand this message could be ignore.
This is a bug because it's not possible to compile with production environment but only with dev environment.

Could you fix this or put a possibility to ignore this in compilation ?

Thanks

Jim