append query key violations

I have an append query:
INSERT INTO SupplierContacts ( [Creditor No], OfficeNumber, FirstName )
SELECT Suppliers.[Creditor No], Suppliers.Phone, Suppliers.Contact
FROM Suppliers;

it fails because of 'key violations'
robiagoAsked:
Who is Participating?
 
Rey Obrero (Capricorn1)Connect With a Mentor Commented:
Try this

INSERT INTO SupplierContacts ( [Creditor No], OfficeNumber, FirstName )
SELECT Suppliers.[Creditor No] As [Creditor No], Suppliers.Phone As [OfficeNumber], Suppliers.Contact As FirstName
FROM Suppliers;

Key violations
Do you have any fields with no  duplicates allowed?
0
 
dssdbCommented:
Key violations are caused by duplicate information being inserted.  You may have data in your Suppliers table that already matches the SupplierContacts.
0
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