Error running this command: svn --config-dir /tmp --version

sh: svn: command not found

WebSVN - Hackstrich SVN - ERROR

Subversion Repositories Hackstrich SVN

Error running this command: svn --non-interactive --config-dir /tmp log --xml --verbose -r 530:1 'file:///var/svn/hackstrich/invisiblemaze@667'
sh: svn: command not found