Hi, as I was running a MATLAB batch script to run CONN toolbox, I kept running into the following error during preprocessing (with spm12): 

Conversion Segment -> Old Segment
Item 'Source Image', field 'val': Number of matching files (0) less than required (1).
Conversion Normalise:Write -> Old Normalise:Write
Conversion Normalise:EstWrite -> Old Normalise:EstWrite
Item 'Source Image', field 'val': Number of matching files (0) less than required (1).
Item 'Images to Write', field 'val': Number of matching files (0) less than required (1).
{Error using spm_jobman>fill_run_job (line 474)
No executable modules, but still unresolved dependencies or incomplete module
inputs.
Error in spm_jobman (line 246)
sts = fill_run_job('run', cjob, varargin{3:end});
Error in conn_setup_wizard (line 186)
spm_jobman('run',matlabbatch);
Error in conn_batch (line 160)
conn_setup_wizard(OPTIONS);
Error in Taiji_Batch_062116_2 (line 257)
conn_batch(batch);
}
474 error('spm:spm_jobman:jobNotFilled', 'No executable modules, but still unresolved dependencies or incomplete module inputs.');
K>>

Does anyone have any insights on what might be going on and how to fix this?
Thank you!