Even if the `src` folder is clean from previous `.png` files, still the `bidsSpatialPrepro` function crashes here due to `copyGraphWindowOutput`

[Remi-Gau]

@Remi-Gau and @marcobarilari FYI, even if the src folder is clean from previous .ps files, still the bidsSpatialPrepro function crashes here due to copyGraphWindowOutput function:

SPM12: spm_imcalc (v6961)                          22:26:47 - 10/11/2020
========================================================================
ImCalc Image: /Users/battal/Cerens_files/fMRI/Processed/RhythmCateg/Pilots/RhythmFT/derivatives/cpp_spm/sub-001/ses-001/anat/msub-001_ses-001_T1w_mask.nii
10-Nov-2020 22:26:48 - Done    'Image Calculator'
10-Nov-2020 22:26:48 - Done

Error using movefile
All arguments must be character vectors.

Error in copyGraphWindownOutput (line 54)
      movefile( ...

Error in copyFigures (line 20)
  imgNb = copyGraphWindownOutput(opt, subID, 'realign');

Error in bidsSpatialPrepro (line 101)
      copyFigures(BIDS, opt, subID);

Error in RhythmFT_run (line 29)
  bidsSpatialPrepro(opt);

Originally posted by @CerenB in #113 (comment)