Coding⏱️ 2 min read📅 2026-05-31

How to Fix: Git "error: The branch 'x' is not fully merged"

Quick Answer: You need to force push the master branch to fully merge the experiment branch. Use the command git push -f origin master.

The error 'Git "error: The branch 'x' is not fully merged"' occurs when you try to merge a branch that has uncommitted changes or conflicts into the master branch. This can happen when you've made changes in one branch and then tried to merge it into another without resolving any issues.

⚠️ Common Causes

  • Uncommitted changes in the branch to be merged.

✅ Best Solutions to Fix It

Method 1: Resolve Uncommitted Changes

  1. Step 1: Use `git status` to check for uncommitted changes, then use `git add .` and commit them before merging.

Method 2: Force Push

  1. Step 1: Use `git push --force-with-lease` to force-push your changes, but be aware this will overwrite the master branch.

🎯 Final Words

To avoid this issue in the future, always commit or stash changes before merging branches. Additionally, regularly run `git status` and `git diff --staged` to check for any conflicts or uncommitted changes.

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