unable to log in ubuntu :(

[saurabh kakkar]

Hi
I m not able to log into my ubuntu account whenever i try to login ubuntu gives the following error:

GDM. could not write to your authorization file.this could mean that you r out of disk space or that your home directory could not be opened for writing.
in any case ,it is not possible to login.plz contact your system admin

this happend when i transfered lot of data in my small ubuntu partition

writting this post from my friends P.C

plz help me fast what can i do ? I can only go to ubuntu recovery mode but no GuI from there

[MetalheadGautham]

using a Live CD, free up space in the Ubuntu Partition.

[saurabh kakkar]

Problem solved I loged into recover mode then to my account then Removed some files from Command line by rm filename -i

@MetalheadGautham Thanks buddy for ur prompt reply