I'll route you to the appropriate support channel to assist you regarding Silverfin-related concerns, Eastell.
Before we proceed, could you please confirm whether this is integrated into your QuickBooks Online (QBO) account? Which specific section of the platform are these messages appearing in? By doing this, we can pinpoint a resolution for the issue you are facing.
On the other hand, we can reach out to Silverfin's customer service support team to gather more information about the situation. They can provide valuable insights and assist you with the concerns you may have regarding the messages you've been receiving.
I'm including this page to display a list of applications that you may wish to integrate with QuickBooks Online (QBO): QuickBooks App Store.
You can add a comment in this thread again if you have any other questions while using our QBO platform.