Is 7.7 closed now?

I'm trying to diff an old src-tree i have locally to the repository

and all I get is

cvs diff: Diffing . cvs diff: failed to create lock directory for `/pike/data/cvsroot/Pike/7.7' (/pike/data/cvsroot/Pike/7.7/#cvs.lock): No such file or directory cvs diff: failed to obtain dir lock in repository `/pike/data/cvsroot/Pike/7.7' cvs [diff aborted]: read lock failed - giving up