conflicting files on natty install

Hi, I get some error when trying to install kdesvn-kio-plugins-trinity the following NEW packages will be installed: kdesvn-kio-plugins-trinity 0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded. 166 not fully installed or removed. Need to get 0 B/188 kB of archives. After this operation, 606 kB of additional disk space will be used. WARNING: The following packages cannot be authenticated! kdesvn-kio-plugins-trinity Authentication warning overridden. (Reading database ... 187745 files and directories currently installed.) Unpacking kdesvn-kio-plugins-trinity (from .../kdesvn-kio-plugins-trinity_4%3a3.5.13-0ubuntu8+r1254372+pr4~natty_amd64.deb) ... dpkg: error processing /var/cache/apt/archives/kdesvn-kio-plugins-trinity_4%3a3.5.13-0ubuntu8+r1254372+pr4~natty_amd64.deb (--unpack): trying to overwrite '/opt/trinity/share/services/svn.protocol', which is also in package kdesdk-kio-plugins-trinity 4:3.5.13-0ubuntu8+r1254372+pr4~natty Errors were encountered while processing: /var/cache/apt/archives/kdesvn-kio-plugins-trinity_4%3a3.5.13-0ubuntu8+r1254372+pr4~natty_amd64.deb E: Sub-process /usr/bin/dpkg returned an error code (1) RESULT=100 Using natty + quickbuild nightlys Calvin Morrison