Hi Massih, have all the subjects been scanned with the same protocol? Do all scans have the same resolution? Cheers, Stam On 14 Jul 2010, at 23:20, Massieh Moayedi wrote: > Hi Everyone, > > Tractography seems to work for most of my subjects. However, when I try to run for 3 of the 34, I consistently get an error, whether I'm running it from the GUI or command line. > > The error is: > Errors: shel-init: error retrieving current directory: getcwd: cannot access parent directories: No such file or directory > Image Exception : #99 ::Out of memory > Terminate called after throwing an instance of "RBD_COMMON::BaseException" > > I speculate that it's due to a shortage in virtual memory. However, it does run just fine for 31 other subjects. Any ideas as to what's wrong? > > Thanks, > > Massih >