Enabling Backups via configurable options does not work in WHMCS provisioning module for SolusVM 2

Symptoms 

Enabling Backups via configurable options does not work in WHMCS provisioning module for SolusVM 2 - Backup task is not initiated in SolusVM 2 upon clicking 'Create Backup' in WHMCS client area.

Cause

WHMCS provisioning module bug with ID #SIO-5994 which was fixed in module version 1.0.34

Resolution

Update the module to the latest version.