VizWiz-SO Detection Challenge 2023: Submission Failed

I’m trying to upload a zip file containing the binary masks but my submission fails. This is the output of the Stderr file:

Traceback (most recent call last):
File “/code/scripts/workers/”, line 500, in run_submission,
File “/tmp/tmpvag7nhs0/compute/challenge_data/challenge_1915/”, line 308, in evaluate
submission_files = [submitted_filepath + “/” + f for f in os.listdir(submitted_filepath)]
FileNotFoundError: [Errno 2] No such file or directory: ‘/tmp/tmpvag7nhs0/compute/challenge_data/challenge_1915/submission/mask’