How to fix this problem in the EMD method for artifact removing from contaminated EEG signal?

[IMF, residual, info] = emd(eeg_signal);

imf_count = max(info.NumIMF); ///In here, problem have arisen.

figure;

for i=1:imf_count

subplot(6,2,i)

plot(IMF(:,i))

title("IMF"+i);

end

subplot(6,2,imf_count+1)

plot(residual)

title("Residue");

problem:

Dot indexing is not supported for variables of this type.

imf_count = max(info.NumIMF);

[Taylor]

What does "class(info)" return? "info" should be a structure (based on the documentation for "emd"), but the error message implies that it is not.