Import OT BioLab+ EEG data from Matlab .mat

Thank you for your answer, it helped me but I have still an error message when I want to open it (see the document attached) Do you have a solution for this ? I checked on Matlab and I have all my data there except the data and time are in different matrix, this could be the problem ?error message for imort EEG matrix

Thank you by advance,
Marie