Banner is already tied to campaign.
Not adding.
MediaWiki:Centralnotice-template-already-exists/en
Campaign already exists.
Not adding.
MediaWiki:Centralnotice-notice-exists/en
Banner already exists.
Not adding.
MediaWiki:Centralnotice-template-exists/en
A campaign with this name exists already.
MediaWiki:Mwe-upwiz-campaign-name-duplicate/en
A campaign with this name exists already.
MediaWiki:Mediauploader-campaign-name-duplicate/en
Page already exists
MediaWiki:Cx-tools-linter-page-exists/en
$1 already exists.
MediaWiki:Pf autoedit redlinkexists/en
Category already exists
MediaWiki:Bs-categorymanager-addcategory-dialog-error-duplicate-title/en
User already exists!
MediaWiki:Maintenance-userexists/en
'$1' already exists
MediaWiki:Wikilambda-metadata-duplicate-alias-error/en
User already exists.
MediaWiki:Ses-userexists/en
{{PLURAL:$2|This template already exists|These templates already exist}}: $1
MediaWiki:Push-tab-template-override/en
The group already exists.
MediaWiki:Bs-groupmanager-grpexists/en
Badge name already exists.
MediaWiki:Ob-create-name-exists/en
User "$1" already exists
MediaWiki:Config-install-user-alreadyexists/en
This prefix already exists.
MediaWiki:Bs-interwikilinks-pfxexists/en
The namespace already exists.
MediaWiki:Bs-namespacemanager-ns-exists/en
Message group already exists
MediaWiki:Apierror-translate-duplicateaggregategroup/en
The username already exists.
MediaWiki:Bs-usermanager-user-exists/en
This article already exists. Edit
MediaWiki:Createpage-article-exists/en
The page [[$1]] already exists.
MediaWiki:Form-article-existstext/en
The requested username already exists.
MediaWiki:Centralauth-rename-alreadyexists/en
Main page already exists, skipping
MediaWiki:Config-install-mainpage-exists/en
Warning: page "[[:$1]]" already exists.
MediaWiki:Createredirect-would-overwrite/en
The tag "$1" already exists.
MediaWiki:Tags-create-already-exists/en