Thanks for the additional information @ghenxx.
I am going to see if we can figure out what that app is doing. In the meantime, you should be able to “power through” these errors using the CLI to download. It is a more advanced method, but it basically users sheer, dumb, brute force to download and won’t stop when there are errors like this one. These files will remain in an non-downloaded state, but the rest should be able to move forward. Once it downloads everything but these problem files, it will just cycle endlessly, so you will want to stop it at that point. Keep an eye on things as it goes, since it is possible that it will get “stuck” on a chain of non-downloadable files, depending on the structure.