Hi Steve,
I deleted all 1st level reg_standard directories and ran 2nd level analysis.
There never was an error at the 2nd level and even this time there wasnt any
error. but i'm still getting the same error at 3rd level analysis.
to explain better, 1st level analysis is the GLM for each run for each
subject. 2nd level analysis is the fixed effects session mean for each
subject and the 3rd level is the mixed effects paired difference between
session1 and session2. additionally when i tried to do the group mean at the
3rd level for each session instead of the paired difference..there wasnt any
error. If reg_standard was the problem..wouldnt i get an error even for the
group mean analysis?
-vish
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