failed at the [email protected] postinstall script
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Failed at the [email protected] postinstall script. npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
Module Error (from ./node_modules/sass-loader/dist/cjs.js): Node Sass version 6.0.0 is incompatible with ^4.0.0 || ^5.0.0.
twisted.internet.error.ReactorAlreadyInstalledError: reactor already installed  Failed to execute script main
Error: Node Sass does not yet support your current environment: Linux 64-bit with Unsupported runtime (83)