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Fix Git 'index.lock file exists' Error - How to Fix node-sass Build Failed on npm install-Git Push Rejected: Non Fast Forward Branch Solution

2026-07-28 14:10:35

Fix Git 'index.lock file exists' Error - How to Fix node-sass Build Failed on npm install-Git Push Rejected: Non Fast Forward Branch Solution

Result check

Keep one change per test run so you know which step helped.
Undo temporary changes after the issue is confirmed.