[Freesurfer] "error: MatrixReadTxT: could not scan value [1][1] ERROR: loading C Path_to_contrast"

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Hi dear FS experts, I am having issues with ( I am assuming) the design matrix for my GM analysis. I am getting the error:

"error: MatrixReadTxT: could not scan value [1][1] ERROR: loading C Path_to_contrast"

I am only interested in a difference for Group ONE - Group ZERO; I am trying to run a DOSS ( with three groups and 4 nuisance covariates) my contrast is : [1 1 1 -1 -1 -1 0 0 0 0]/3

I have standardized all variables. Attached is the FSGD.xlxs file ( that I did transform into a .fsgd file) Please let me know what I'm doing wrong. Thank you so much!

*milly mc *

*"Life is a foreign language; all mispronounce it." * *Christopher Morley*