Answers for ""babel/core'%20Require%20stack:%20-%20C:/Users/Mario/AppData/Roaming/npm/node_modules/@babel/cli/lib/babel/options.js""

n Error: Cannot find module '@babel/core'

npm install --save-dev @babel/core @babel/preset-env

Error: Cannot find module '@babel/core'

For those wanting to use babel-loader 8+: it requires Babel 7.x,, which is to be installed as the '@babel/core' package instead of 'babel-core'. In other words, run:

>npm install --save-dev @babel/core