Hi Olaia and Alfonso,

I am also wondering what you mean by faulty images? I have EXACTLY the same error (both error message that I am getting and also the error described in the Command Windows) as Olaia. I am not sure where this error is coming from and what about the functional images should be checked. Thank you!

SPM12: spm_uw_apply (v6301) 21:13:08 - 04/12/2016
========================================================================
Computing mask... : ...done
Reslicing images... : ...done
Writing mean image... : ...done
Completed : 21:16:40 - 04/12/2016
Done 'Realign & Unwarp'
The following modules did not run:
Failed: Realign & Unwarp

**********************************************************


Error using MATLABbatch system
Job execution failed. The full log of this run can be found in MATLAB command window, starting with the lines (look for the line showing the exact #job as displayed in this error message)
------------------
Running job #1
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CONN v.16.h
SPM12 + DEM FieldMap MEEGtools
Matlab v.2016b