After installing Karabiner Elements for MacOS I found that the Logitech Gaming Software (LGS) was no longer detecting the mouse and was showing the move mouse to wake dialog.

It took a while to figure out that the cause was the recently installed Karabiner Software, exiting the software allowed immediate recognition of the mouse. Not sure what the cause is and the mouse was functional though not under the LGS command.

A useful tool but not if you are using LGS it would appear.