Hi Batuhan,
Can you please upload the BE2 subject data using our ftp file exchange and let me know the exact command and terminal output when you ran mri_convert?
Info on our ftp file exchange: https://surfer.nmr.mgh.harvard.edu/fswiki/FtpFileExchange
Thanks, Bram
Bram R. Diamond, BSc Research Technician II Laboratory for Computational Neuroimaging Martinos Center for Biomedical Imaging Massachusetts General Hospital 149 13th Street Charlestown, MA 02129 (p): 617-726-6598