by Daniele Cordella.
Ciao Ken and thanks for your words.
I am hosting my instance of moodle on the infrastructure of my office.
I think I ran into this problem:
To fix CVE-2022-29404, the default value for the LimitRequestBody directive in the Apache HTTP Server has been changed from 0 (unlimited) to 1 GiB
as I found in https://access.redhat.com/articles/6975397