Error in Pavlovia

URL of experiment: https://run.pavlovia.org/vanlian/z_yes_pilot

Description of the problem: It said there is something wrong with excel file, but I check the excel file and everything looks good to me. What is the problem exactly indicating and how I can solve. Please help!

I attached a screenshot of the problem below.

Thank you in advance,
Augustine

I solve the previous error but this one pop up instead. I am not sure what it means or how to solve. Can anyone give me guidance?

Thank you in advance,

Augustine

Don’t put slashes in participant numbers. Pavlovia interprets them as referencing subfolders.

Thank you so much!