lstm network in matlab 2019

hello thanks for your answer.I installed MATLAB 2019 and now I get an error for the input arguments. How can I extend the inputs and give them to LSTM network as a matrix?please help me. thanks.(I use gait-in-neurodegenerative-disease-database-1.0.0 in physionet )

I can not attach my file ,every one that can answer this question please give me email , so I sent my matlab code file