[Freesurfer] pre-processing error?

Hello, I am having trouble with the pre-processing step. When I enter the recon-all command I get an error: [Lisa-Koskis-iMac:/Applications/freesurfer/subjects] root# recon-all -s ms_018 ERROR: nothing to do When I enter 'recon-all -s ms_018 -qcache' I get a long list of output but I don't thi

[Freesurfer] Installation difficulties (Mac)

I have downloaded the FreeSurfer software onto a Mac computer. I did the setenv/source steps and got this output: Setting up environment for FreeSurfer/FS-FAST (and FSL) FREESURFER_HOME /Applications/freesurfer/ FSFAST_HOME /Applications/freesurfer//fsfast FSF_OUTPUT_FORMAT nii.gz SUBJECT