Troubleshooting submission errors

Dear AIcrowd Admins,
today, after I made a few changes to my local repo, I got stuck during submission with the following error:

“Unable to orchestrate submission, please contact Administrators.”
I am not sure how to troubleshoot this. May you give me a hint?

A submission example’s hash is 7f0d7571113e1e8f530128e2ede03bdcea2fc239

Thanks,
Gianluca