Subversion Repositories Kolibri OS

Error running this command: svn --non-interactive --config-dir /tmp/websvn log --xml --quiet --limit 40 -r -1:1 'file:///var/kolibri-repos/contrib/sdk/sources/Mesa/mesa-10.6.0/src/egl/drivers/dri2/egl_dri2.c.bak@-1'
No output on STDOUT.E205000: Syntax error in revision argument '-1:1'