On Retail, with latest (alpha) version installed:

Message: Interface/AddOns/HandyNotes_LongForgottenHippogryph/nodes.lua:1 (null)
Time: Sat Nov 19 19:43:27 2022
Count: 1

These happen when logging in/reloading

Also getting:

Message: Interface\FrameXML\Bindings.xml:1 Interface/AddOns/HandyNotes_LongForgottenHippogryph/nodes.lua:1 (null)
Time: Sat Nov 19 19:43:27 2022
Count: 1

Should all be fixed in the new release