Cubox-i library scan crashes volumio

I am using aCubox-i4 with a 4TB Usb harddrive.
When the hardrive is scanned after about 10-15 albums volumio crashes and do not

Furthermore i can not connect to any drives as “NAS”, (harddrives connected to my desktop computer), I know that this
works fine with other computers including old Volumio 1.5.

The drives shows up in the list as existing but when I try to connect them they are indicated as being unreachable.