When you try to run a campaign and use {!Lead.MobilePhone} in the SMS template, you get an error in apex jobs list and no SMS are actually sent

Error details:

Status, ContactId, LeadId from CampaignMember 

ERROR at Row:1:Column:44 
duplicate field selected: MobilePhone

This issue was identified in the SMS Magic 1.30 version and was resolved in the next version. We recommend upgrading your SMS Magic application to the latest version (SMS Magic 1.45) in which this is fixed.

Link to upgrade: