There are currently multiple duplicate gerrit sites on the wiki page.
https://wiki.opendaylight.org/view/Integration/Packaging/Patches
https://wiki.opendaylight.org/view/TransportPCE:Gerrit_howto
https://wiki.opendaylight.org/view/Communication:Gerrit
https://wiki.opendaylight.org/view/Gerrit_Setup
https://wiki.opendaylight.org/view/OpenDaylight_Controller:Gerrit_Setup
An obvious solution is to delete all these pages and use https://docs.opendaylight.org/en/stable-carbon/gerrit.html as an alternative