I am attempting to create my netlist. However when I select PACK_SHORT I receive an error that says the following:  

#1 ERROR(ORCAP-36064): Pin "VSS" found in PACK_SHORT property on part "U1B" doesn't exist on the symbol. You need to specify a valid pin.   

#2 ERROR(ORCAP-36018): Aborting Netlisting... Please correct the above errors and retry.

Suggested Solution

This is a known bug and has been reported. The workaround is to edit the symbol properties so that the section is placed on the schematic. For the sections that do not contain the pins listed in the PACK_SHORT property, you must delete the value of the PACK_SHORT property in that section.