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Fix ENOENT Error: package.json Not Found in React App - How to Fix npm run build After npm install-DNS Probe Finished NXDOMAIN vs Server Not Found: Key Differences

Updated 2026-07-28 09:28:42office-tools

Fix ENOENT Error: package.json Not Found in React App - How to Fix npm run build After npm install-DNS Probe Finished NXDOMAIN vs Server Not Found: Key Differences

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.