Please enter a commit message to explain why this merge is necessary, especially if it merges an updated upstream into a topic branch

https://stackoverflow.com/questions/19085807/please-enter-a-commit-message-to-explain-why-this-merge-is-necessary-especially

811

It's not a Git error message, it's the editor as git uses your default editor.

To solve this:

1. press "i"
2. write your merge message
3. press "esc"
4. write ":wq"
5. then press enter