It appears you may be choosing the SPM.mat of a second level model. First
level models contain Sess fields. Please check your SPM.mat file.
Darren
> -----Original Message-----
> From: SPM (Statistical Parametric Mapping)
> [mailto:[log in to unmask]] On Behalf Of Rodolphe
> Sent: Tuesday, April 01, 2008 7:54 AM
> To: [log in to unmask]
> Subject: [SPM] DCM problem
>
> Dear spmers,
>
> In order to do a dcm analysis, i click on the dcm button
> (With the last version of smp5) then i specify my 1st level
> spm.mat (for 1 subject), i specify a name for the dcm matrix,
> i give some vois and then matlab write the following error message :
>
> ??? Reference to non-existent field 'Sess'.
>
> Error in ==> spm_dcm_ui at 136
> Sess = SPM.Sess(xY(1).Sess);
>
> ??? Error using ==> spm_dcm_ui
> Reference to non-existent field 'Sess'.
>
> ??? Error while evaluating uicontrol Callback
>
> I tried to find the problem without success, the dcm tutorial
> works fine but i cant see whats the difference with my data...
>
> Thx,
>
> rodolphe
>
>
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