Error on npm start. Build Webpack DLL

[Alien4Hire]

during build there is this error, have you came across this before?

PS C:\Users\17409\Javascript_projects\rahlib-screener\stock-screener-master> npm start

> react-boilerplate@3.0.0 start C:\Users\17409\Javascript_projects\rahlib-screener\stock-screener-master
> cross-env NODE_ENV=development node server

The DLL manifest is missing. Please run `npm run build:dll`
PS C:\Users\17409\Javascript_projects\rahlib-screener\stock-screener-master> npm run build:dll

> react-boilerplate@3.0.0 build:dll C:\Users\17409\Javascript_projects\rahlib-screener\stock-screener-master
> node ./internals/scripts/dependencies.js

Building the Webpack DLL...
exec: internal error