QuickBooks Error #3100: "Name Already Exists

QuickBooks is not able to differentiate a Customer and a Vendor with the same name. It is best practice to add a number or symbol to the Vendor Name, when entering the same name as a Customer.


Related Articles:  

EverLogic to QuickBooks Flow Chart

QuickBooks Error: Trouble Connecting to QuickBooks

QuickBooks Error: QuickBooks Online Access Token

QuickBooks Error: QB Desktop Request

Mapping from EverLogic to QuickBooks