Subversion Repositories wpShopGermany4

Error running this command: svn --non-interactive --config-dir /tmp/websvn --username '***' --password '***' log --xml --limit 2 -r 1618:1 'https://svn.maennchen1.de/wordpress/plugins/wpsg4/views/wpsg3/views/mailtemplates/kundenmail.phtml@1618'
svn: E160013: '/wordpress/!svn/rvr/1618/plugins/wpsg4/views/wpsg3/views/mailtemplates/kundenmail.phtml' path not found