VERIFIED SOLUTION i
Batch execution fails with 'Device with id : <id> does not exist' in logs/command prompt.
This is a known defect in earlier releases of EngageOne.
ResolutionUPDATED: August 30, 2018
This has been fixed in EngageOne Server version 3.1.2 and EngageOne Server version 4.0 therefore upgrading to any release of 3.1.2 or 4.X should resolve this.