Can not load model: OSError: Unable to open file (file signature not found)

I am new to streamlit. I have successfully loaded and ran my model yesterday. However, I can not load my model agian today:

Can anyone help me out please? Thank you!
My github repo is: GitHub - zhiliny2/mltest

Closing as a duplicate of Solve it with a $20 reward: Can not load model: OSError: Unable to open file (file signature not found)