Resolve "Error Number 31 Invalid subscript reference" referencing POSZDF.DBF when shipping in SendSuite Xpress or Ascent

Products affected: SendSuite® Xpress, Ascent™
 

Issue

When entering information on the shipping screen for carrier POS in SendSuite® Xpress or Ascent™, the following error is displayed:
 
Error Number: 31
Error Message: Invalid subscript reference.
Current Active Table: ZDF-C:\XPRESS\POSZDF.DBF
Program with Error: PROCEDURE VERSRV SH_VER.FXP


Example of error message:
Error Message 31

Cause

SendSuite Xpress or Ascent has been set up to use pre-printed IMpB labels, but the shipping screen being used does not contain a Tracking Number field.

Resolution

UPDATED: August 30, 2017
If you experience this issue, contact Pitney Bowes client support.