[Snapshot Pro] Php Warning in debug.log file, whenever Snapshot runs a Hub Backup

Hi Support
I keep getting PHP warnings from the snapshot helper utility in my debug.log file, whenever it tries to do a Hub backup..

Also, the size of my last backup was a fraction of what it has been?

[08-May-2018 01:17:54 UTC] PHP Warning: count(): Parameter must be an array or an object that implements Countable in /wp-content/plugins/snapshot/lib/Snapshot/Helper/Utility.php on line 146