Introduction
Welcome to another helpful guide from the Super Dispatch Support Team! If you’re encountering the Duplicate Document Number Error while syncing your invoices with QuickBooks Online (QBO), don’t worry—we’re here to help. This error typically happens when an Invoice ID already exists in your QBO account. In this article, we’ll walk you through the steps to resolve this issue by disabling the Custom Transaction Numbers feature in QBO. Follow along to ensure your invoices sync seamlessly with QBO!
Duplicate Document Number Error
This issue occurs when the current Invoice ID already exists in your QuickBooks Online (QBO) account. To resolve this issue, you may need to disable the Custom Transaction Numbers feature in QBO to ensure your invoices sync properly.

How to Disable the Custom Transaction Numbers Option
Follow the steps below to disable this option in QBO:
Step 1: Log in to QBO
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Log into your QuickBooks Online account.
Step 2: Navigate to Company Settings
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Click on Settings → Company Settings.

Step 3: Access Sales Settings
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In the Company Settings page, select the Sales section from the left sidebar.
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Locate the option labeled Custom transaction numbers.
Step 4: Disable Custom Transaction Numbers
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Uncheck the Custom transaction numbers option.
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Click the Save button to apply the changes.

Step 5: Sync Your Invoice with QBO
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Go to the Carrier Dashboard in Super Dispatch.
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Send an invoice to yourself to ensure data syncs properly with QBO.
Need Help?
Should you have any further questions or need additional assistance, please feel free to contact our support team at any time. You can reach us via email at support@superdispatch.com, or simply click on the chat icon in the bottom right-hand corner of your screen to start a conversation with us. We’re here to help and look forward to assisting you!