multibotusb error

root@antiX1:/tmp# multibootusb
Using PyUdev for detecting USB drives...
/dev/sdb1
syslinux.cfg does not exist for updating list widget.
syslinux.cfg does not exist for updating list widget.
Cleaning old multibootusb directory.
Extracting syslinux to multibootusb directory...
Extracting syslinux 64 bit...
Extracting syslinux modules to multibootusb directory...
/usr/multibootusb/tools/syslinux/syslinux_modules.zip
Copying persistence data to multibootusb directory.
RRIP: rrip_offset 0
ISO passed.
Distro detected is hbcd
Persistence choosen is 0 MB
RRIP: rrip_offset 0
RRIP: rrip_offset 0
Copying multibootusb directory to /media/sdb1
Install dir is /media/sdb1/multibootusb/Hiren's.BootCD.15.2
Distro extraction completed...
RRIP: rrip_offset 0


Found syslinux version 4


distro_syslinux_install_dir is /multibootusb/Hiren's.BootCD.15.2/HBCD
distro_sys_install_bs is /media/sdb1/multibootusb/Hiren's.BootCD.15.2/HBCD/hbcd.bs
Executing ==> /root/.multibootusb/syslinux/bin/syslinux4 -i -d /multibootusb/Hiren's.BootCD.15.2/HBCD /dev/sdb1
/bin/sh: 1: Syntax error: Unterminated quoted string

Failed to install syslinux on distro directory...

RRIP: rrip_offset 0

Executing ==> /root/.multibootusb/syslinux/bin/syslinux4 -i -d multibootusb /dev/sdb1


Default syslinux install is success...

1+0 registros leídos
1+0 registros escritos
440 bytes (440 B) copiados, 0,000289771 s, 1,5 MB/s

mbr install is success...

Checking boot flag on /dev/sdb
Disk /dev/sdb already has boot flag.
RRIP: rrip_offset 0
RRIP: rrip_offset 0
Updating main syslinux config file...
Traceback (most recent call last):
  File "/usr/bin/multibootusb", line 298, in install_syslinux
    self.update_cfg_files.distro_cfg_files()
  File "/usr/lib/python2.7/dist-packages/scripts/update_cfg.py", line 171, in distro_cfg_files
    self.main_cfg_file()
  File "/usr/lib/python2.7/dist-packages/scripts/update_cfg.py", line 188, in main_cfg_file
    string = re.sub(r'/HBCD', '/multibootusb/' + self.iso.iso_basename() + '/HBCD', config_file)
  File "/usr/lib/python2.7/re.py", line 155, in sub
    return _compile(pattern, flags).sub(repl, string, count)
TypeError: expected string or buffer
Closing multibootusb...