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Xero Sync Error: Another invoice with this invoice number already exists in Xero

Error

Another invoice with this invoice number already exists in Xero

Explanation 

This error occurs when an invoice in Bill.com is trying to sync to Xero, but an invoice with this number already exists in Xero.

Solutions

  • If this invoice not a duplicate, edit the invoice number in Bill.com to something unique, save, and sync again.
  • If the invoice is already in Xero and was created separately/manually in Bill.com, please contact Customer Support to link the invoices.
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