How do I report a broken file?

the file


downloaded across PEPS is broken. It is only 1.5 Mb, and does not contains any band data.

It is absent on scihub.copernicus

Probably you need to ask the PEPS guys. Try

See There has been an issue on the SciHub. Some products were not consistent and have been removed from the SciHub. It should have been reprocessed and made available now (or will be soon if not yet).