This is a new error related to this commit from @Marc.Lalancette :
https://github.com/brainstorm-tools/brainstorm3/commit/ab493f3d1aeac14cd8d6f99bd99603baf0e48b01#diff-439b27e92e533b809ec43b2cf3661130R779
I can't reproduce this error on my computer, and I don't understand why the absolute value process would trigger such an error message about resampling.
I tried simply restoring the previous version so that you can keep on working:
Please update Brainstorm and try again.