is there something wrong with the uploaded files? can't verify zip file (https://bitcoinknots.org/files/26.x/26.1.knots20240325/bitcoin-26.1.knots20240325-x86_64-linux-gnu.tar.gz): "sha256sum -c --ignore-missing SHA256SUMS sha256sum: SHA256SUMS: no file was verified"
More likely your sha256sum is picky. Try dos2unix first