I’m having the exact same issue, no resolutions so far. I’ve tried to reinstall the plug-in, deactive and reactivate and setting the directories to 777. Any ideas?
Plugin Name: WordPress Database Backup
Plugin URI: https://github.com/matzko/wp-db-backup
Description: On-demand backup of your WordPress database. Navigate to Tools → Backup to get started.
Author: Austin Matzko
Author URI: http://austinmatzko.com/
Version: 2.3.1
