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Last updated on Aug 24, 2026
You updated a Customer in Maxio, and Maxio tried to send that change to QuickBooks. QuickBooks rejected the update with an Object Not Found error because the Customer's stored QuickBooks ID no longer matches a record there, either because the Customer was deleted in QuickBooks or because its ID no longer points to the Customer you expect. Merging Customers in QuickBooks is a common cause of this, since it changes historical data and complicates auditing; mark the Customer as Inactive instead of merging it.
Resetting the Get Customers sync step to an earlier date pulls the deleted Customer back into Maxio so you can reconcile it.
To fix this
Open the QuickBooks integration page (this requires the Admin role) and find the Get Customers sync step in the sync step list.
Click Edit next to the sync step, enter a date earlier than when the Customer was deleted, and click Save.

Return to the QuickBooks integration page and run another sync. This brings the deleted Customer back into Maxio.
If the Customer holds data you still need, move that data to a new or existing Customer record. It then syncs back to QuickBooks successfully.
For moving a Contract's data to a different Customer, see Move a Contract to Another Customer or Register.
For moving Transactions, along with their Invoices and Invoice line items, to a different Contract or Customer, see Move Transactions Between Contracts.
For the risks of merging Customers in QuickBooks and how to do it without breaking the sync, see Merge QuickBooks Customers the Right Way.
Still need help?
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