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As long as you put all DICOMs for each acquisition in a separate folder, Osprey should automatically find all transients. Seems like it worked for the case you’re showing (you’re clearly seeing all the transients loaded, the frequency trace in the upper right, and the averaged spectrum in the bottom right)
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The error is related to specifying the basis set. Do you have any line in your job file that starts with
opts.fit.basisSetFile? If your sequence and TE aren’t too exotic (and I believe they aren’t - it’s still PRESS and TE30 right? You never shared the ACC protocol), Osprey should automatically pick the right basis set. -
You have massive out-of-voxel artefacts (likely with some kind of lipid contamination as well) in the area between 1 and 2 ppm. This will cause big modeling problems, and you will need to do some work finding the best voxel geometry parameters (this requires a lot of piloting and trial and error). See this thread for some initial guidance (“Avoiding lipid contamination and out-of-voxel echoes”). Do you have a screenshot of your voxel placement? It might already help to move the voxel away from the edge of the brain a little, change the angulation, or flip some of the slice-selective gradients so that you don’t excite the lipids as much.