[Snapshot PRO] Update to Snapshot PRO breaks site

After upgrading to Snapshot PRO 3.2, my site breaks entirely with the following error message:

Fatal error: Uncaught Error: Class 'AwsS3S3MultiRegionClient' not found in /var/www/blog/wp-content/plugins/snapshot/lib/Snapshot/Model/Destination/aws/updated-region.php:7 Stack trace: #0 /var/www/blog/wp-content/plugins/snapshot/lib/Snapshot/Model/Destination/aws/index.php(1157): require() #1 /var/www/blog/wp-content/plugins/snapshot/snapshot.php(352): Snapshot_Model_Destination_AWS->get_updated_region(Array) #2 /var/www/blog/wp-includes/class-wp-hook.php(286): WPMUDEVSnapshot->snapshot_init_proc('':wink: #3 /var/www/blog/wp-includes/class-wp-hook.php(310): WP_Hook->apply_filters(NULL, Array) #4 /var/www/blog/wp-includes/plugin.php(453): WP_Hook->do_action(Array) #5 /var/www/blog/wp-settings.php(467): do_action('init':wink: #6 /var/www/blog/wp-config.php(139): require_once('/var/www/blog/w…':wink: #7 /var/www/blog/wp-load.php(37): require_once('/var/www/blog/w…':wink: #8 /var/www/blog/wp-blog-header.php(13): require_once('/var/www/blog/w…':wink: #9 /var/www/blog/index.php(17): require('/var/www/blog/w…':wink: #10 {main} thrown in /var/www/blog/wp-content/plugins/snapshot/lib/Snapshot/Model/Destination/aws/updated-region.php on line 7