kayjay55 Having looked into this in some more detail, it does look like the charge instruction was sent to Giv correctly and successfully received, see our diagnostics log.
You should also see this from you Giv inverter log (My Inverter, right hand top cog, Remote Control, then scroll down to the bottom), you should find out successful charge instructions there.
A charge instruction was set from 22:30 to 16:00 - as all the slots were selected based on your Octopus Agile price threshold of importing anything below 9.8p and prices being below that for today.
I suspect this is a UI glitch in the front end due to the condensed block spanning the original Agile window.