GitHub API error. Base URL: "/repos/:user/:repo/contents/update-checker.php", HTTP status code: 404

[kulterryan]

Getting error code: puc-github-http-error

GitHub API error. Base URL: "/repos/:user/:repo/contents/update-checker.php", HTTP status code: 404

[YahnisElsts]

Does that file exist in the repository or not? Also, are you sure you're passing the correct plugin file name to the update checker? update-checker.php seems like an unusual name for the main plugin file - unless you're writing an update-checking plugin, of course.