linux-5.10_5.10.179-5~deb10u1.dsc: Refers to non-existing file 'linux-5.10_5.10.179.orig.tar.xz' Perhaps you need to include the file in your upload? If the orig tarball is missing, the -sa flag for dpkg-buildpackage will be your friend. === Please feel free to respond to this email if you don't understand why your files were rejected, or if you upload new files which address our concerns.