W3TC issue

Hello

I am having an issue with W3TC and WP2D.

Backups work fine when W3TC is disabled but enabling stops backups altogether. I have tried adding wp-cron.php to the ‘never chache the following pages’ area of W3TC but this has no effect.

Is there a workaround available?

Thanks

https://www.ads-software.com/plugins/wordpress-backup-to-dropbox/