webpack4 Cannot find module '@babel/core'

Error:

WebPACK //
of Can not the Find Module '@ babel / Core'
Solution one:
the reason "babel-loader": "^ 8.0.0" version of the problem.
Use "babel-loader": "^ 7.1.5" to resolve the error.

package.json

{
"DevDependencies": {
"Babel-Core": "^ 6.26.3",
"Babel-Loader": "7.1.5 ^"
}
}

Solution II:

Installation @ babel / core dependent

https://www.npmjs.com/package/@babel/core

npm install --save-dev @babel/core

Reference: https://blog.csdn.net/zSY_snake/article/details/88036785
https://www.cnblogs.com/jiebba/p/9618930.html