This means that no suitable driver was detected, when the device is in bootloader mode.
I had the same problem with the Installation with Pixel 7a.
I used not the Installer. I had installed the manual way.
But no matter, the problem is the same.
At first everything looked normal. But after flashing the first partitions and rebooting, the driver was unknown (here: Windows 10). The device had a yellow exclamation mark.
Downloading the drivers from:
and add it in Windows Device Manager helped me.
Then the installation of Iode ran through…