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Fix Cloudflare 521 Error: SSL Configuration Steps - How to Merge Unrelated Git Histories-Git Pull Failed: index.lock Exists Fix

Updated 2026-07-28 13:27:14developer-tools

Fix Cloudflare 521 Error: SSL Configuration Steps - How to Merge Unrelated Git Histories-Git Pull Failed: index.lock Exists Fix

Prepare

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Validate

Document

Operational follow-up

Record the exact option, command, or setting that changed the result.
Keep a rollback note if the workflow affects shared files or team settings.

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