Unable to unlock bootloader on motorola moto g5s

Hello,
Urgent assistance needed
Trying to unlock bootloader on Motorola Moto G5S but unsuccessful after following all the instructions below is the feedback i got.

(bootloader) slot-count: not found
(bootloader) slot-suffixes: not found
(bootloader) slot-suffixes: not found
...
(bootloader) invalid boot state
OKAY [ 0.015s]
finished. total time: 0.020s

C:\Program Files (x86)\Minimal ADB and Fastboot>