After installing the module, Webpack is giving this error when I run "webpack --display-error-details" ...

ERROR in ./app/user/module.js
Module not found: Error: Cannot resolve module 'isteven-angular-multiselect' in F:\Development\Apps\Solutions\Necto\Necto.Webpack\app\user
resolve module isteven-angular-multiselect in F:\Development\Apps\Solutions\Necto\Necto.Webpack\app\user
looking for modules in F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules
resolve 'file' isteven-angular-multiselect in F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules
resolve file
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.webpack.js doesn't exist
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.js doesn't exist
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.web.js doesn't exist
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect is not a file
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.json doesn't exist
resolve 'file' or 'directory' F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect
resolve file
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect is not a file
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.webpack.js doesn't exist
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.web.js doesn't exist
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.js doesn't exist
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.json doesn't exist
resolve directory
directory default file index
resolve file index in F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect\index doesn't exist
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect\index.webpack.js doesn't exist
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect\index.web.js doesn't exist
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect\index.js doesn't exist
F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect\index.json doesn't exist
[F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.webpack.js]
[F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.js]
[F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.web.js]
[F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.webpack.js]
[F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.web.js]
[F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.js]
[F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.json]
[F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect.json]
[F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect\index]
[F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect\index.webpack.js]
[F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect\index.web.js]
[F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect\index.js]
[F:\Development\Apps\Solutions\Necto\Necto.Webpack\node_modules\isteven-angular-multiselect\index.json]
@ ./app/user/module.js 1:0-24:6

Seems like package.json is valid but Webpack is not looking there?