Dear FSL Users I got this error message using dfit: dtifit -k DWIforfit -m nodif_brain_mask -r DWIbvecs -b DWIbvals -o DTI --sse --save_tensor --wls 0 256 0 256 0 71 0 slices processed 1 slices processed 2 slices processed 3 slices processed 4 slices processed 5 slices processed 6 slices processed 7 slices processed 8 slices processed 9 slices processed libc++abi.dylib: terminating with uncaught exception of type NEWMAT::SingularException Abort trap: 6 Any tips Cheers DAVIDE ######################################################################## To unsubscribe from the FSL list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/webadmin?SUBED1=FSL&A=1