The SoB (DCO) check failed a91efddb0e27657a81f7e58bdd2d440186e07c5a The sign-off is missing. What should I do to fix it ? All proposed commits should include a Signed-off-by: <your-name> <your-email-address> line in their commit message. This is most conveniently done by using --signoff (-s) when running git commit.