I tried to multiply (with fslmaths -mul) the FMRIREP brain mask output with my *desc-preproc_bold.nii.gz and resulted in NAN overall. It worked with the same subject with version 20.0.1.
What could be the change in the new version resulting in this?
This was noticed by other users. Please look into the following discussion and related issues:
Long story short, this is bug that will be fixed in fmriprep v20.2.4 and V21.0.0.
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