【GitHub Error】remote: Invalid username or password.

Error Message

remote: Invalid username or password.
fatal: Authentication failed for <repository path>

Cause

It may be expired the access token of GitHub.

Solution

1. Check the remote URL

git remote -v

2. Update the remote URL

git remote set-url origin https://<username>:<new_token>@github.com/<username>/<repo>.git

3. Check the connection

git fetch

That's all.