Dear Emily, the previous version of eddy was not able to use a fugue style fieldmap. The patch that was released yesterday has a --field parameter that will allow you to feed a fugue style fieldmap into eddy. But please note the caveats that I warned of in my “release note” yesterday. Jesper On 20 Jul 2016, at 17:12, Emily S <[log in to unmask]> wrote: > Hi, > > I'm having trouble running eddy to correct my DTI data. My command and compulsory files all seem to be formatted correctly, but I am getting an error: > > terminate called after throwing an instance of 'TOPUP: : TopupFileIOException' > what (): > Aborted > > I did not use topup for distortion correction, and instead used fugue, as my data was not acquired in two different directions. How can I fix this? > > > I'm an intern just starting out on FSL, so any input would be greatly appreciated. > > Thanks, > Emily