Hi list and Anastasia,<div><br></div><div>I'm performing a set of data with tracula version 3.0. I have change my dmrirc file respect to previous analyses and now I have one problem&nbsp;</div><div><br></div><div><div>"set: Variable name must begin with a letter.</div><div>ERROR: must specify as many DWI dicoms as subjects".</div></div><div><br></div><div>I do not find the line that is wrong. I think to have approximately used the same lines of previous and correct analysis.</div><div><br></div><div>I have attached the configuration file. Note that I'm using nii.gz.</div><div><br></div><div>Thanks and best regards.</div><div><br></div><div><br></div><div>Stefano</div>