You have not specified a valid username.
MediaWiki:Noname/en
You have not specified a valid user name.
MediaWiki:Globalrenamerequest-newname-err-invalid/en
You have not specified a valid target for this action.
MediaWiki:Apierror-notarget/en
The subject you specified is not valid.
MediaWiki:Apierror-liquidthreads-badsubject/en
The value you specified is not a valid option.
MediaWiki:Htmlform-select-badoption/en
Username has not been specified.
MediaWiki:Ses-nousername/en
The username is not valid.
MediaWiki:Wikilove-err-invalid-username/en
The username is not valid.
MediaWiki:Wikilove-err-invalid-username/simple
You have to specify a username.
MediaWiki:Nouserspecified/en
The target page you have specified does not exist.
MediaWiki:Nopagetext/en
The specified user name is not valid
MediaWiki:Securepoll-create-invalid-username/en
The specified page is not valid.
MediaWiki:Pt-deletepage-invalid-title/en
The specified flags are not valid.
MediaWiki:Apierror-flaggedrevs-badflags/en
This user has not specified a valid email address.
MediaWiki:Noemailtext/en
The specified page does not contain a valid delivery list.
MediaWiki:Massmessage-spamlist-invalid/en
Not a valid URL
MediaWiki:Urlshortener-error-malformed-url/en
Not a valid list
MediaWiki:Massmessage-create-invalidsource-short/en-gb
Not a valid list
MediaWiki:Massmessage-create-invalidsource-short/en
not a valid preference.
MediaWiki:Apiwarn-validationfailed-badpref/en
The requested username is not valid.
MediaWiki:Centralauth-rename-badusername/en
The revision you specified does not exist.
MediaWiki:Compare-revision-not-exists/en
The title you specified does not exist.
MediaWiki:Compare-title-not-exists/en
The filter you specified does not exist
MediaWiki:Abusefilter-edit-badfilter/en
The title you specified does not exist.
MediaWiki:Templatesandbox-title-not-exists/en
The revision you specified does not exist.
MediaWiki:Templatesandbox-revision-not-exists/en
