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QuickBooks Online Sync Error: Cannot delete Customer: This customer cannot be deleted because there are unbilled charges for this customer

Error

Cannot delete Customer: This customer cannot be deleted because there are unbilled charges for this customer

Explanation

This error occurs when a vendor is deleted in Bill.com, and the deletion is trying to sync to QuickBooks Online (QBO), but the customer is linked to active/unbilled charges in QBO.

Solutions

  1. Reactivate the customr in Bill.com until charges are complete in QBO
  2. Delete the unbilled charges in QBO and sync again to allow the customer deletion to sync to QBO
  3. Contact Support to clear the error if you do not want the deletion to sync to QBO
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