Default [Q] Trouble unlocking bootloader for moto g?

Hey I tried my best to make sure i didn't miss any threads on this, sorry if I did.
I can't seem to be able to unlock the bootloader, whenever i try to get the thing i need to get the unlock key, i get the attached.
I made sure usb debugging was on whenever i tried, i tried different USB ports, i fully charged it before trying, no dice. I'm a total noob to smart phones in general so it's probably something simple i'm missing ha ha.
it's not locked to any carrier and i dont yet have a sim for it, bought it off amazon, live in the UK.
So yeah, any idea what's going on?
Attached Thumbnails
Click image for larger version

Name:	moto g.png
Views:	2491
Size:	5.7 KB
ID:	2553108