icu
node: could not initialize ICU (check NODE_ICU_DATA or –icu-data-dir parameters)
You need to run npm install including the full-icu package. It’s full-icu‘s postinstall step which downloads the appropriate bits for the currently executing node. Note that multiple files may show up in the full-icu directory, that’s OK. If you already had full-icu installed, but upgraded Node.js in between: npm rebuild fixes the issue.