IP parameter is not valid.
MediaWiki:Apierror-badip/en
$1 is not a valid parameter.
MediaWiki:Validator error unknown argument/en
IP address $1 is not valid
MediaWiki:Globalblocking-apierror-badip/en
Given parameter "$1" is not a valid page
MediaWiki:Bs-socialtags-special-invalid-title/en
The value $1 is not valid for parameter $2.
MediaWiki:Validator error invalid argument/en
Graph is not valid.
MediaWiki:Apierror-graph-invalid/en
"$1" is not valid.
MediaWiki:Sanctions-ve-agree-days-inspector-invalid-value/en
User is not valid
MediaWiki:Bs-privacy-invalid-user/en
The username is not valid.
MediaWiki:Wikilove-err-invalid-username/en
Revision ID is not valid.
MediaWiki:Thanks-error-invalidrevision/en
Post ID is not valid.
MediaWiki:Thanks-error-invalidpostid/en
The centralauthtoken is not valid.
MediaWiki:Apierror-centralauth-badtoken/en
This parameter is not allowed
MediaWiki:Bs-validator-invalid-parameter/en
"$1" is not a valid title
MediaWiki:Mediafunctions-invalid-title/en
'''$1''' is not a valid form.
MediaWiki:Pf autoedit invalidform/en
The provided page is not valid.
MediaWiki:Bs-wikipage-tasks-error-page-not-valid/en
The requested username is not valid.
MediaWiki:Centralauth-rename-badusername/en
"$1" is not a valid site.
MediaWiki:Massmessage-parse-badurl/en
The specified page is not valid.
MediaWiki:Electronpdfservice-invalid-page-text/en
"$1" is not a valid title.
MediaWiki:Apiwarn-invalidtitle/en
"$1" is not a valid title
MediaWiki:Workflows-property-validator-valid-title-error/en
Language code $1 is not valid.
MediaWiki:Apierror-translate-invalidlanguage/en
The specified page is not valid.
MediaWiki:Pt-deletepage-invalid-title/en
The subject you specified is not valid.
MediaWiki:Apierror-liquidthreads-badsubject/en
$1 is not a valid item ID
MediaWiki:Wikibase-pageswithbadges-invalid-id/en