[ubuntu] Error :- rpm to deb convert using alien

Hi everyone,

I am new in linux & I am trying to install Maya 2012 64 bit in my desktop. but it is giving following error everytime I try to install

amit@Workstation:~/Maya2012$ sudo alien -k Maya2012_0_64-2012.0-203.x86_64.rpm
[sudo] password for amit:
chmod: invalid option -- '/'
Try `chmod --help' for more information.
mkdir: invalid option -- '/'
Try `mkdir --help' for more information.
mkdir -/debian failed: at /usr/share/perl5/Alien/Package/Deb.pm line 299.

Can anybody help me ????.....:confused: wht mistake I am doing ????

Thanks in Advance.