Snapshot throwing fatal error

The Destinations and Managed Backups pages are coming up blank in the WordPress dashboard and Snapshot returns the following fatal error:
"PHP Fatal error: Uncaught Error: Call to undefined function curl_init() in /home/**********/public_html/wp-content/plugins/snapshot/
lib/Snapshot/Model/Destination/aws/AWSSDKforPHP/lib/requestcore/requestcore.class.php:615"
Please note we are running a multisite install with 20 live sites.