Kali 2.0 : Authentication token manipulation error please help

I'm currently new to kali and I wish to find someone who could support me with this sudo passwd that im stuck with keeps telling me im giving a wrong passwd and I tried to use the command passwd to reset the password and use a new one it gives me Authentication token manipulation error and I couldnt find any tutorial or steps from websites to solve this, all of em are other versions of Linux and Im wishing to find someone who could support me with this error with steps, anyone here who could fix it?