I ran into the same issue:

FSLVersion 5.0.4
FSLVerMaj 5
FSL Version is 5.0.4, must be 3.X or 4.X

I downloaded the epidewarp.fsl script from the suggested ftp site and replaced 
the existing script.  It did indeed fix the version incompatibility with FSL 
5.x.

I ran into a new problem where it was aborting.  After some trouble shooting 
and looking over the documentation, I realized that —-epi is a required input 
without which the script crashes (or is it supposed to be optional but there is 
a bug in the script?).

After including it, it ran much further but then aborted with the following 
error:

ERROR: input phase image exceeds allowable phase range.
Allowable range is 6.283 radians.  Image range is: 12.5633 radians.

This is consistent with the documentation.  I’m not sure why the phase image 
exceeds the range though.

It ran without problems with SPM’s FieldMap Toolbox and it is from a standard 
Siemen’s scanner sequence (two magnitude files and one phase difference file).

Do I just divide the values by two with something like fslmaths since it seems 
to have exactly double the required range?

Joe

> On Nov 26, 2014, at 21:36, Douglas Greve <gr...@nmr.mgh.harvard.edu> wrote:
> 
> 
> It is there again. I don't know what the status if it  is in terms of the 
> version. Try it and let me know
> doug
> 
> On 11/25/14 4:34 PM, Morgan Hough wrote:
>> Hi Doug,
>> 
>> Could you put the epidewarp.fsl script back on your ftp site? I don’t see it 
>> at the link in the archives:
>> 
>> ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/epidewarp.fsl 
>> <ftp://surfer.nmr.mgh.harvard.edu/transfer/outgoing/flat/greve/epidewarp.fsl>
>> 
>> BTW, is the script updated in some way for 5.x or can I can the old script 
>> just be changed to accept 5.x version numbers. 
>> 
>> Cheers,
>> 
>> -Morgan
> 
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--------------------------------------------------------------------------------

Joseph Dien, PhD
Senior Research Scientist
Maryland Neuroimaging Center
University of Maryland, College Park
E-mail: jdie...@mac.com
Cell Phone: 202-297-8117
http://joedien.com

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