User ID <var>$1</var> is not valid.
MediaWiki:Apierror-invaliduserid/en
<var>removetags</var> is not a valid JSON string.
MediaWiki:Apierror-wikispeech-removetagsinvalidjson/en
User is not valid
MediaWiki:Bs-privacy-invalid-user/en
Revision ID is not valid.
MediaWiki:Thanks-error-invalidrevision/en
Post ID is not valid.
MediaWiki:Thanks-error-invalidpostid/en
"$1" is not a valid election ID.
MediaWiki:Securepoll-invalid-election/en
"$1" is not a valid vote ID
MediaWiki:Securepoll-invalid-vote/en
'$1' is not a valid Lexeme ID
MediaWiki:Wikibase-lexeme-mergelexemes-error-invalid-id/en
$1 is not a valid item ID
MediaWiki:Wikibase-pageswithbadges-invalid-id/en
$1 is not a valid entity ID
MediaWiki:Wikibase-entityusage-invalid-id/en
"$1" is not a valid Item ID.
MediaWiki:Wikibase-wikibaserepopage-not-itemid/en
"$1" is not valid.
MediaWiki:Sanctions-ve-agree-days-inspector-invalid-value/en
The ID you provided ($1) is not valid.
MediaWiki:Pagetriage-api-invalidid/en
This is not a valid item ID.
MediaWiki:Articleplaceholder-abouttopic-no-entity-error/en
The specified user name is not valid
MediaWiki:Securepoll-create-invalid-username/en
<var>$1</var> search is disabled.
MediaWiki:Apierror-searchdisabled/en
<kbd>$1</kbd> is not a valid vote id.
MediaWiki:Apierror-securepoll-badvoteid/en
Graph is not valid.
MediaWiki:Apierror-graph-invalid/en
Path is not valid.
MediaWiki:Uploadstash-bad-path-invalid/en
User ID to unblock. Cannot be used together with <var>$1id</var> or <var>$1user</var>.
MediaWiki:Apihelp-unblock-param-userid/en
IP address $1 is not valid
MediaWiki:Globalblocking-apierror-badip/en
"$1" is not a valid site.
MediaWiki:Massmessage-parse-badurl/en
'''$1''' is not a valid form.
MediaWiki:Pf autoedit invalidform/en
"$1" is not a valid title
MediaWiki:Mediafunctions-invalid-title/en
$1 is not a valid parameter.
MediaWiki:Validator error unknown argument/en