Validation failed. Make sure all your transactions have a GDT/HST rate before you save. I can't save an open invoice since the UI change 2 days ago. Anyone else ?

Thank you for sharing the details of your experience, @ColeSpeed. I appreciate that you’ve already verified the GST rate on all service/product items, but the error is still appearing when you try to save your invoice. We understand that this began happening after the recent UI update, and our Live Support team can assist by reviewing your account and looking into this issue further.

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