Failed to execute git checkout 'b495ee7e15120e28abb4a08336bc72bfa212126a' -- && git reset --hard 'b495ee7e15120e28abb4a08336bc72bfa212126a' -- fatal: reference is not a tree: b495ee7e15120e28abb4a08336bc72bfa212126a It looks like the commit hash is not available in the repository, maybe the commit was removed from the branch? Run "composer update wporg/wporg-mu-plugins" to resolve this.