Welcome to the Community, Lily. I've got the steps you need in locating the Out of scope of GST tax rate in QuickBooks Online (QBO).
The Business Validation Error prompt occurs when the data being processed does not meet certain business rules or requirements within the software.
To sort this out we can change your tax rate setting:
On the other hand, if you used API for your Storehub app connection, I recommend posting your concern in our Intuit Developer forum. They handle API-related concerns, software integrations, and developer-licensed-related concerns.
Here are the steps to follow when posting your concern on their page:
Additionally, you can also customize your sales forms to add your personal touch.
Return to this thread if you require further assistance syncing your daily sales with Storehub. We'll be here to help you in any way you can.
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