In this configuration activity we are assigning already created number ranges to Vendor Groups. We could assign one number range to a few vendor groups. Keep in mind that this assignment is company code independent.
IMG Path: Financial Accounting (New) -> Accounts Receivable and Accounts Payable -> Vendor Accounts -> Master Data -> Preparations for Creating Vendor Master Data -> Assign Number Ranges to Vendor Account Groups
Trables: T077K, T077Y
When you enter into the transaction, you will get a list of all vendor account groups. Here you have to find the desired vendor account group and choose an appropriate number range.