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Fix Git SSL Certificate Problem on macOS: Unable to Get Local Issuer - Troubleshooting Cloudflare 521 Error After DNS Change-Fix 'node sass build failed' During npm install

Updated 2026-07-28 05:54:51browser-issues
Fix Git SSL Certificate Problem on macOS: Unable to Get Local Issuer - Troubleshooting Cloudflare 521 Error After DNS Change-Fix 'node sass build failed' During npm install
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.

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