Vue project starts npm run serve common errors and solutions

Error 1:

As shown in the picture:

Solution : reinstall core-js, npm i core-js

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Error 2:

Syntax Error: EslintPluginImportResolveError: unable to load resolver “alias”.

Solution : npm install eslint-import-resolver-alias -D

Error 3:

Error: Node Sass does not yet support your current environment:
Windows 64-bit with Unsupported runtime (83) For more information on which environments are supported please see:

Solution : npm rebuild node-sass