Invalid or empty set name.
MediaWiki:Centralauth-editset-badname/en
Empty set
MediaWiki:Edtf-empty-set/en
Invalid set type.
MediaWiki:Centralauth-editset-badtype/en
Invalid page name
MediaWiki:Mlm-error-title-invalid/en
Invalid translator name
MediaWiki:Apierror-cx-invalidtranslator/en
Invalid employer name.
MediaWiki:Donate interface-error-msg-invalid-employer/en
Missing or invalid username.
MediaWiki:Growthexperiments-specialimpact-invalid-username/en
Missing or invalid title.
MediaWiki:Twocolconflict-special-malformed-title/en
Invalid or malformed JSON
MediaWiki:Json-error-state-mismatch/en
Accepts frame, or leave empty
MediaWiki:Apihelp-embedvideo-param-container/en
Invalid title in result set: $1
MediaWiki:Wantedpages-badtitle/en
Either the supplied page name was invalid, or no page name was supplied.
MediaWiki:Invite-invalid-page/en
Schema name is invalid.
MediaWiki:Sofa-invalidschema/en
Key name is invalid.
MediaWiki:Sofa-invalidkey/en
Invalid user group name
MediaWiki:Invalidusergroupname-title/en
Invalid name of achievement
MediaWiki:Special-shareachievement-invalid-achievement-name/en
Invalid entity or lexeme: $1
MediaWiki:Phonos-wikibase-invalid-entity-lexeme/en
Edit or create wiki set
MediaWiki:Centralauth-editset-legend-rw/en
Action (either "get" or "set")
MediaWiki:Apihelp-smpuserprivacy-param-method/en
Action (either "get" or "set")
MediaWiki:Apihelp-socialprofile-userprofileprivacy-param-method/en
{{PLURAL:$2|0=Must be empty|Can be empty, or $1}}
MediaWiki:Paramvalidator-help-type-enum-can-be-empty/en
A parameter is missing or invalid.
MediaWiki:Review param missing/en
Invalid, non-existent, or outdated title
MediaWiki:Apierror-linter-invalid-title/en
MathML or SVG is invalid XML.
MediaWiki:Math invalidxml/en
Action is invalid or not specified
MediaWiki:Workflows-user-vote-action-invalid/en