gnu plot error on octave

[fr33c0untry]

hi,
i have octave installed on ubuntu 12.04.i installed octave a month ago from
the software center a month ago.it has been working fine until today when i
tried to plot a function and an error showed up.i tried loading some .m
files which involved plotting but failed because of the same error.the error
i get is:

i dont know what to fix as it seems that there is some error with the source
code(correct me if im wrong).i tried to uninstall gnuplot from software
center and then reinstall it but that didn't work either.
looking forward to a reply 
thanks 



--
View this message in context: 
http://octave.1599824.n4.nabble.com/gnu-plot-error-on-octave-tp4648643.html
Sent from the Octave - General mailing list archive at Nabble.com.