Git Merge Unrelated Histories: When and How to Use --allow-unrelated-histories - Fixing Cloudflare 521 Error After Server Restart-Step-by-Step Guide to Fix Git Delete File Merge Conflicts

Prepare
Execute
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.