"$1" is an invalid URL.
MediaWiki:Smw-datavalue-external-formatter-invalid-uri/en
Invalid external URL value.
MediaWiki:Pf-invalidexturl/en
The protocol of the URL is invalid.
MediaWiki:Interwiki-submit-invalidurl/en
Invalid value "$2" for URL parameter <var>$1</var>.
MediaWiki:Apierror-badurl/en
Invalid character in URL at line $1 character $2.
MediaWiki:Templatestyles-error-bad-character-in-url/en
invalid
MediaWiki:Confirmedit-preview-invalid/en
invalid:
MediaWiki:Maintenance-memc-invalid/en
Invalid
MediaWiki:Phabtaskgraph-status-invalid/en
Invalid
MediaWiki:Pickle-test-text-invalid/en
invalid
MediaWiki:Jsonconfig-type-name-invalid/en
Invalid repo "$1".
MediaWiki:Apierror-invalidrepo/en
Invalid ID: $1.
MediaWiki:Wikibase-entitydata-bad-id/en
Invalid ID: $1.
MediaWiki:Wikibase-entitypage-bad-id/en
Invalid namespace: $1
MediaWiki:Bs-parser-error-invalid-namespace/en
Invalid title: $1
MediaWiki:Bs-parser-error-invalid-title/en
Invalid state "$1".
MediaWiki:Centralauth-centralautologin-badstate/en
Invalid page: $1
MediaWiki:Logentry-invalidpage/en
Invalid username "$1".
MediaWiki:Changeauthor-invalid-username/en
Invalid title "$1"!
MediaWiki:Maintenance-invalidtitle/en
Invalid parameters, "$1"
MediaWiki:Smw-api-invalid-parameters/en
$1 is invalid
MediaWiki:Pickle-function-text-invalid/en
Invalid username "$1".
MediaWiki:Apierror-invaliduser/en
Invalid format: "$1".
MediaWiki:Externaldata-web-invalid-format/en
Invalid title: "$1"
MediaWiki:Indexfunc-badtitle/en
The URL is invalid. Please do not use spaces.
MediaWiki:Bs-interwikilinks-invalid-url-spc/en