WoeUSB выходят из code:256 на Ubuntu 18.04

Installation failed!
Exit code: 256
Log:
WoeUSB v@@WOEUSB_VERSION@@
==============================
Mounting source filesystem...
Wiping all existing partition table and filesystem signatures in /dev/sdb...
/dev/sdb: 2 bytes were erased at offset 0x000001fe (dos): 55 aa
/dev/sdb: calling ioctl to re-read partition table: Success
Ensure that /dev/sdb is really wiped...
Creating new partition table on /dev/sdb...
Creating target partition...
Making system realize that partition table has changed...
Wait 3 seconds for block device nodes to populate...
mkfs.fat: warning - lowercase labels might not work properly with DOS or Windows
mkfs.fat 4.1 (2017-01-24)
Mounting target filesystem...
Applying workaround to prevent 64-bit systems with big primary memory from being unresponsive during copying files.
/usr/bin/woeusb: Line 1348: true is not set.
Resetting workaround to prevent 64-bit systems with big primary memory from being unresponsive during copying files.
Unmounting and removing "/media/woeusb_source_1537175688_12466"...
Unmounting and removing "/media/woeusb_target_1537175688_12466"...
You may now safely detach the target device

ScreenShot