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Fix 'network not found' Error in Docker on Linux - How to Fix Cloudflare 521 Error Due to Proxy Issues-VSCode Git Changes Not Detected Troubleshooting

Updated 2026-07-28 17:59:40cloud-software
Fix 'network not found' Error in Docker on Linux - How to Fix Cloudflare 521 Error Due to Proxy Issues-VSCode Git Changes Not Detected Troubleshooting
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.

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