Mobility: Error #12 File does not exist BC_140_WA_StagingWhsError

Issue

Launching the EZ Import (Unattended) throws an error from within Sage:  Error #12 File does not exist BC_140_WA_StagingWhsError #12 

Solution

Run the Mobility Data File Conversions utility located:

Mobility for Barcode > Setup > Mobility Data File Conversions.