pq13872.st  WALKBACK WHEN PRINTING TO A PRINTER WHOSE DRIVER HAS BEEN DELETED

1) Delete the driver for a defined printer.
2) Run Print Setup and select the printer whose driver
was deleted.  Select OK.  This result in an 
 'UndefinedObject does not understand driverData'
walkback.

File in pq13872.st to fix the problem, after applying fixpack v4.02b.
Note: this has been fixed in v4.5.