Getting an error message in wpmudev dash board

I am getting this error on my dashboard. It started after the latest update to the dashboard.

Notice: Use of undefined constant WPMUDEV_API_AUTHENTICATION - assumed 'WPMUDEV_API_AUTHENTICATION' in /home3/nerdinte/public_html/ideakit/wp-content/plugins/wpmudev-updates/includes/class-wpmudev-dashboard-api.php on line 229