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Fix npm ENOENT package.json Not Found Due to Wrong Directory - Resolve Cloudflare 521 Error – Server and Proxy Guide-Python venv Activation: Windows, macOS, Linux

Updated 2026-07-28 13:47:38developer-tools
Fix npm ENOENT package.json Not Found Due to Wrong Directory - Resolve Cloudflare 521 Error – Server and Proxy Guide-Python venv Activation: Windows, macOS, Linux
Likely symptom
Likely cause
Safe rollback

Verification route

  • Repeat the original action, not only a simplified test case.
  • Restart the app or reload the service after configuration changes.

More repair notes

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