Interesting - this is on a machine running Deadline 10.3.0.15? I’m surprised the submitter from 10.2 worked on C4D 2024, but the 10.3 submitter doesn’t.
Are you testing using the take’s frame range? I just installed C4D 2024 on my machine and was reminded that the fix shared on this post isn’t in the product yet.
I had to choose the Python console to see the error, let me know if that’s the case for you as well: