After successful plugin update, error No updates available

1) Check that for a given plugin, the latest version available is X, and the version running is Y, where Y < X.

2) Update the plugin.

3) The plugin update process runs, and when done, an error appears, e.g.: "Error: [EFAULT] No updates available for plexmediaserver"

4) Refresh the page - the plugin has been successfully updated to version X.

The error is erroneous.