I have connected my motorola G5S Plus phone to Ubuntu 20.04 PC by USB and I have installed mtp-tools .
When clicking the phone dock icon, I get an empty folder screen in Nautilus . The phone is mounted . Then I choose the option "open in terminal" and entered
mtp-detect
This is what was displayed in terminal :
libmtp version: 1.1.17
Listing raw device(s)
Device 0 (VID=22b8 and PID=2e82) is a Motorola Moto G (ID2).
Found 1 device(s):
Motorola: Moto G (ID2) (22b8:2e82) @ bus 2, dev 9
Attempting to connect device(s)
error returned by libusb_claim_interface() = -6LIBMTP PANIC: Unable to initialize device
Unable to open raw device 0
OK.