When shipping UPS in SendSuite® Live, the error message "The Shippers shipper number can not be used for this shipment." is displayed.
There is an issue with the UPS account being used.
Contact UPS customer support
for assistance with your UPS account.Note:
Your UPS account number can be found on any UPS bill, or on the SendSuite Live Administrator page under Shipment Server Configuration > Accounts > UPS Account > Number section.
UPDATED: July 25, 2016