Yes, the unthreshold zstat map is also empty (min 0 max 0).
This group-level report did not have anything on the registration summary page, but the masking on the 2nd level analyses (when I combined 2 runs for each participant) looked okay for each participant.
I re-ran the group level analysis using only run1 and then again using only run2 for each participant. The activation for run2 was as expected; however, the group map for run1 was empty. In addition to the warning with no excluded voxels listed in the log, I noted the following error in the log: extreme smoothness detected in X - possibly biased global estimate (same for Y and Z).
Thank you,
Dylan
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