OpenMEEG error source localization

Hi, I just ran the OpenMEEG package to solve the forward model for my EEG source localization, but I got the following error. Can anyone help me with this?

Thanks!

It seem related to the creation (or reading) of the .mat files.

Is there any quota or limited space to write in the path
/NAS/home/lysesche?

Can you try with smaller BEM meshes?

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Thanks for the answer. It seems we used a high-density mesh for the skin instead of the BEM surface. It worked well after using a smaller BEM mesh.