I am getting the following warning when runing a git fsck command against tag v0.99. $ git --version git version 2.18.0 $ git fsck checking object directories: 100% (256/256), done. warning in tag d6602ec5194c87b0fc87103ca4d67251c76f233a: missingTaggerEntry: invalid format - expected 'tagger' line Checking objects: 100% (254339/254339), done. Checking connectivity: 254329, done.