cross-spectral density matrix is rank deficient!

[Muthuraman Muthuraman]

Hello Fieldtrippers,

I get the warning "cross-spectral density matrix is rank deficient" when running the sourceanalysis_DICS on simulated data.
Any hints due to which the warning comes will be very helpfull, because the channel combination was selected for ''all" in the frequency analysis.


Thanking you

With regards,
M.Muthuraman.

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