unable to generate grub.cfg

[t0m5k1]

I move my images to /boot/images
I run:
sudo grub-mkconfig -o /boot/grub/grub.cfg
the result is:
Generating grub.cfg ...
Found memdisk: /boot/memdisk
Found iso image: /boot/images/BT5R3-KDE-64.iso
Found iso image: /boot/images/Hiren's.BootCD.15.2.iso
Found iso image: /boot/images/generic_x86-20120908.iso
Found iso image: /boot/images/linuxmint-201303-cinnamon-dvd-64bit.iso
error: out of memory.
error: syntax error.
error: Incorrect command.
error: syntax error.
Syntax error at line 142
Syntax errors are detected in generated GRUB config file.
Ensure that there are no errors in /etc/default/grub
and /etc/grub.d/* files or please file a bug report with
/boot/grub/grub.cfg.new file attached.done