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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 customer 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

  • Reactivate the customer in Bill.com until charges are completed in QBO
  • Delete the unbilled charges in QBO and sync again to allow the customer deletion to sync to QBO
  • Contact Bill.com Customer Support to clear the error if the deletion should not be synced to QBO
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