Transaction dots missing from some charts in my SIPP

Some (not all) of the ETF charts in my SIPP are missing transactions dots. For example SGLN

Here is the chart for the last 6 months

And here are some of the transactions for the last 6 months

Also when you get this bug fixed can I make a suggestion that the dots be different colours for purchase and sale; maybe light blue for purchase and orange for sale?

Thanks

It’s working fine on Web app - its just phone app that is’t showing the transaction dots. Here is the same example from the web app

Hello!

Thank you bringing this to our attention!

Please be assured that I have forwarded these details and your suggestion to the relevant team and they are investigating the matter.