Error during running TCN Classification with CR Dataset

i am confronting error msg when i am running TCN Classification with CR Dataset

FileNotFoundError: [Errno 2] No such file or directory: ‘…/…/…/0_data/CR/CR.pkl’
how ever i tried to put CR.pkl file on the same place where jupytor notebook is present and changed path to "./CR.pkl or CR.pkl but error not resolved.
may i know how to resolve error?