"$1" is not a file.
MediaWiki:Apiwarn-notfile/en
File $1 is not defined.
MediaWiki:Externaldata-undefined-file/en
File "$1" is not an audio file.
MediaWiki:Phonos-file-not-audio/en
The uploaded file is not a valid TIFF file.
MediaWiki:Tiff invalid file/en
File selection is not supported
MediaWiki:Ooui-selectfile-not-supported/en
"$1" is not a category.
MediaWiki:Apiwarn-invalidcategory/en
This file type is not supported.
MediaWiki:Bs-filesystemhelper-upload-unsupported-type/en
This file type is not supported.
MediaWiki:Bs-player-unsupported-type/en
The file <code>$1</code> is not writeable.
MediaWiki:Config-sqlite-readonly/en
<strong>".$1"</strong> {{PLURAL:$4|is not a permitted file type|are not permitted file types}}.
Permitted {{PLURAL:$3|file type is|file types are}} $2.
MediaWiki:Filetype-banned-type/en
Page "$1" is not a translation
MediaWiki:Mlm-error-title-isnottranslation/en
Error! $1 is not a number.
MediaWiki:Admanager zonenotnumber/en
$1 is not a LiquidThreads page
MediaWiki:Lqt-not-a-liquidthreads-page/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 recognized project.
MediaWiki:Readinglists-db-error-no-such-project/en
"$1" is not a valid title
MediaWiki:Workflows-property-validator-valid-title-error/en
"$1" is not a valid title.
MediaWiki:Apiwarn-invalidtitle/en
"$1" is not a translatable message
MediaWiki:Translate-translations-no-message/en
"$1" is not a valid title
MediaWiki:Mediafunctions-invalid-title/en
$1 is not a valid parameter.
MediaWiki:Validator error unknown argument/en
Existing file is not PGF/TikZ-generated, not overwriting.
MediaWiki:Pgftikz-error-nonpgffile/en
File $1 not found.
MediaWiki:Geogebra-file-not-found/en
File ($1) not found
MediaWiki:Html2wiki filenotfound/en
File "$1" not found
MediaWiki:Wikistories-file-not-found/en