Slider Revolution is not available after updating Avada?

I updated the Avada theme and suddenly Slider Revolution was uninstalled and i cant install it. Now i have nog longer the slider on the homepage of
Wordpress/thema Avada: Slider Revolution installation failed. The update procedure could not delete the plugin due to a permissions issue on your server. Please ask your hosting provider to check the permissions level or manually remove the plugin via FTP or WordPress before attempting to reinstall it.

It seems there’s file permission issue on your server and you will need to get some help from the hosting provider.