Need to modify the length of the ID field in product, to be more than 20

Need to modify the length of the ID field in product, to be more than 20

Environment: 

iVend 6.5 Update 5 with SAP B1 9.2

Problem Statement: 

Need to modify the length of the ID field in product, to be more than 20

Symptoms:

Need to modify the length of the ID field in product, to be more than 20

Resolution/WorkAround: 

It is restricted to enter the id which is more than 20 characters.It can not be changed.