Web Reference: Sep 11, 2020 · I got the code back into the IDE, but when I start up the Node server, I am getting the following error: TypeError [ERR_INVALID_ARG_TYPE]: The "path" argument must be of type string. Jan 16, 2026 · By reinstalling Node.js, verifying the PATH variable, rebuilding node_modules, and checking global packages, you’ll resolve the issue in most cases. If the error persists, dive into config files (e.g., Webpack) for hardcoded paths or ensure your project folder hasn’t moved. Nov 4, 2025 · This alone wouldn't fix the error described here, although it may be worth a separate issue. sshpk provides a good example of the specific case required to hit this error.
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