This Sample Not Work,So I can"t See this Sample OutPut.
And aslo
I have digital persona 4500 Fingerprint reader and i want to integration on asp.net core web app.How can i do it?

Do you have the links for the prerequisites?

• Windows ADAM Service (LDS)
• DigitalPersona LDS Server (DP LDS Server)
• DigitalPersona LDS Administration Tools (DP LDS AT)
• DigitalPersona LDS Web Management Components (DP LDS WMC)

I wasn't able to find them by my own

After all the installation steps when I run code this error faces me Can any one help me out get over this problem please
`ERROR in ./src/index.scss (./node_modules/css-loader/dist/cjs.js!./node_modules/sass-loader/dist/cjs.js!./src/index.scss)
Module build failed (from ./node_modules/sass-loader/dist/cjs.js):

$navbar-padding-horizontal: floor(math.div($grid-gutter-width, 2)) !default;
^
Invalid CSS after "... floor(math": expected expression (e.g. 1px, bold), was ".div($grid-gutter-w"
in C:\Users\amar\Desktop\digitalpersonaAngular\digitalpersona-sample-angularjs\node_modules\bootstrap-sass\assets\stylesheets\bootstrap_variables.scss (line 369, column 46)
@ ./src/index.scss 2:14-118
@ ./src/index.ts
Child html-webpack-plugin for "index.html":
1 asset
Entrypoint undefined = index.html
[0] ./node_modules/html-webpack-plugin/lib/loader.js!./src/index.html 2.41 KiB {0} [built]
npm ERR! code ELIFECYCLE
npm ERR! errno 2
npm ERR! [email protected] build-dev: webpack --config build/webpack/dev.js --NODE_ENV=dev
npm ERR! Exit status 2
npm ERR!
npm ERR! Failed at the [email protected] build-dev script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
`