diff --git a/lang/bg.yml b/lang/bg.yml
index 2baddd055..daa4d03d1 100644
--- a/lang/bg.yml
+++ b/lang/bg.yml
@@ -19,6 +19,8 @@ bg:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Грешна заявка'
     REQUEST_ABORTED: 'Заявката беше отказана'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Непозната
   SilverStripe\Forms\CheckboxField:
     NOANSWER: Не
     YESANSWER: Да
diff --git a/lang/da.yml b/lang/da.yml
index ae420557f..9ef226317 100644
--- a/lang/da.yml
+++ b/lang/da.yml
@@ -19,6 +19,8 @@ da:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Ugyldig forespørgsel'
     REQUEST_ABORTED: 'Forespørgsel annulleret'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Ukendt
   SilverStripe\Forms\CheckboxField:
     NOANSWER: Nej
     YESANSWER: Ja
diff --git a/lang/de.yml b/lang/de.yml
index 77274e801..c1bb16dbe 100644
--- a/lang/de.yml
+++ b/lang/de.yml
@@ -27,6 +27,8 @@ de:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Ungültige Anfrage'
     REQUEST_ABORTED: 'Anfrage abgebrochen'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Unbekannt
   SilverStripe\Dev\DevConfirmationController:
     INFO_DESCRIPTION: 'Bestätige potenziell gefährliche Aktion'
     INFO_TITLE: Sicherheitsbestätigung
diff --git a/lang/de_DE.yml b/lang/de_DE.yml
index 63202c75e..a9d47cb37 100644
--- a/lang/de_DE.yml
+++ b/lang/de_DE.yml
@@ -16,6 +16,8 @@ de_DE:
     TEXT1: 'Hier ist dein'
     TEXT2: 'Link zum Zurücksetzen des Passworts'
     TEXT3: für
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Unbekannt
   SilverStripe\Forms\CheckboxField:
     NOANSWER: Nein
     YESANSWER: Ja
diff --git a/lang/en.yml b/lang/en.yml
index 02182e48e..d4142ee4a 100644
--- a/lang/en.yml
+++ b/lang/en.yml
@@ -27,6 +27,8 @@ en:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Invalid request'
     REQUEST_ABORTED: 'Request aborted'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Unknown
   SilverStripe\Dev\DevConfirmationController:
     INFO_DESCRIPTION: 'Confirm potentially dangerous operation'
     INFO_TITLE: 'Security Confirmation'
diff --git a/lang/eo.yml b/lang/eo.yml
index 97dff767a..abd212985 100644
--- a/lang/eo.yml
+++ b/lang/eo.yml
@@ -27,6 +27,8 @@ eo:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Malvalida peto'
     REQUEST_ABORTED: 'Ĉesigis peton'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Nekonata
   SilverStripe\Dev\DevConfirmationController:
     INFO_DESCRIPTION: 'Konfirmi eble danĝeran operacion'
     INFO_TITLE: 'Sekurecon konfirmi'
diff --git a/lang/fi.yml b/lang/fi.yml
index 431672ba1..c17cbb001 100644
--- a/lang/fi.yml
+++ b/lang/fi.yml
@@ -19,6 +19,8 @@ fi:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Pyyntö on virheellinen'
     REQUEST_ABORTED: 'Pyyntö keskeytetty'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Tuntematon
   SilverStripe\Forms\CheckboxField:
     NOANSWER: Ei
     YESANSWER: Kyllä
diff --git a/lang/fi_FI.yml b/lang/fi_FI.yml
index 737b310d5..b9b062eb5 100644
--- a/lang/fi_FI.yml
+++ b/lang/fi_FI.yml
@@ -27,6 +27,8 @@ fi_FI:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Pyyntö on virheellinen'
     REQUEST_ABORTED: 'Pyyntö keskeytetty'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Tuntematon
   SilverStripe\Dev\DevConfirmationController:
     INFO_DESCRIPTION: 'Vahvista mahdollisesti kohtalokas toimenpide'
     INFO_TITLE: Suojausvahvistus
diff --git a/lang/fr.yml b/lang/fr.yml
index 70fe5ed56..1acd165e2 100644
--- a/lang/fr.yml
+++ b/lang/fr.yml
@@ -19,6 +19,8 @@ fr:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Requête invalide'
     REQUEST_ABORTED: 'Requête non aboutie'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Inconnu
   SilverStripe\Forms\CheckboxField:
     NOANSWER: Non
     YESANSWER: Oui
diff --git a/lang/it.yml b/lang/it.yml
index 5bcb6acd4..a53fdc2d1 100644
--- a/lang/it.yml
+++ b/lang/it.yml
@@ -19,6 +19,8 @@ it:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Richiesta non valida'
     REQUEST_ABORTED: 'Richiesta annullata'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Sconosciuto
   SilverStripe\Forms\CheckboxField:
     NOANSWER: 'No'
     YESANSWER: Sì
diff --git a/lang/nl.yml b/lang/nl.yml
index 4a69de8cf..c0b8e0a01 100644
--- a/lang/nl.yml
+++ b/lang/nl.yml
@@ -27,6 +27,8 @@ nl:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Fout bij verwerken'
     REQUEST_ABORTED: 'Fout bij verwerken (geannuleerd)'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Onbekend
   SilverStripe\Dev\DevConfirmationController:
     INFO_DESCRIPTION: 'Bevestig het uitvoeren van mogelijk gevaarlijke taak'
     INFO_TITLE: Beveiligingswaarschuwing
diff --git a/lang/pl.yml b/lang/pl.yml
index 710d0acbe..5940bd382 100644
--- a/lang/pl.yml
+++ b/lang/pl.yml
@@ -19,6 +19,8 @@ pl:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Nieprawidłowe żądanie'
     REQUEST_ABORTED: 'Żądanie zostało przerwane'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Nieznany
   SilverStripe\Dev\DevConfirmationController:
     INFO_DESCRIPTION: 'Potwierdź potencjalnie niebezpieczną operację'
     INFO_TITLE: 'Potwierdzenie bezpieczeństwa'
diff --git a/lang/sk.yml b/lang/sk.yml
index f3ea4897d..c1b4cd667 100644
--- a/lang/sk.yml
+++ b/lang/sk.yml
@@ -19,6 +19,8 @@ sk:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Neplatná požiadavka'
     REQUEST_ABORTED: 'Požiadavka prerušená'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Neznáma
   SilverStripe\Forms\CheckboxField:
     NOANSWER: Nie
     YESANSWER: Áno
diff --git a/lang/sl.yml b/lang/sl.yml
index bbb72990e..569d00683 100644
--- a/lang/sl.yml
+++ b/lang/sl.yml
@@ -27,6 +27,8 @@ sl:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Neveljavni zahtevek'
     REQUEST_ABORTED: 'Zahtevek prekinjen'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Neznana
   SilverStripe\Dev\DevConfirmationController:
     INFO_DESCRIPTION: 'Potrdite potencialno škodljivo akcijo'
     INFO_TITLE: 'Varnostno preverjanje'
diff --git a/lang/sv.yml b/lang/sv.yml
index 922bc36ae..fa335e279 100644
--- a/lang/sv.yml
+++ b/lang/sv.yml
@@ -19,6 +19,8 @@ sv:
   SilverStripe\Control\RequestProcessor:
     INVALID_REQUEST: 'Ogiltig förfrågan'
     REQUEST_ABORTED: 'Förfrågan avbruten'
+  SilverStripe\Core\Manifest\VersionProvider:
+    VERSIONUNKNOWN: Okänd
   SilverStripe\Forms\CheckboxField:
     NOANSWER: Nej
     YESANSWER: Ja