Subversion Repositories slepc-dev

Error running this command:

svn --non-interactive --config-dir /tmp log --xml --verbose -r1755:1 --limit 2 'file://localhost/home/slepc/svn/trunk/include/slepc.h@1947'

Unable to find repository location for 'file://localhost/home/slepc/svn/trunk/include/slepc.h' in revision 1755