diff --git a/src/main/resources/l10n/JabRef_de.properties b/src/main/resources/l10n/JabRef_de.properties
index 757c6f46a21..d292c8adbfd 100644
--- a/src/main/resources/l10n/JabRef_de.properties
+++ b/src/main/resources/l10n/JabRef_de.properties
@@ -270,7 +270,7 @@ Dynamically\ group\ entries\ by\ searching\ a\ field\ for\ a\ keyword=Dynamische
 Each\ line\ must\ be\ of\ the\ following\ form\:\ 'tab\:field1;field2;...;fieldN'.=Jede Zeile muss dem folgenden Muster entsprechen\: 'tab\:field1;field2;...;fieldN'.
 
 Search\ groups\ migration\ of\ %0=Suchgruppenmigration von %0
-The\ search\ groups\ syntax\ is\ outdated.\ Do\ you\ want\ to\ migrate\ to\ the\ new\ syntax?= Die Suchgruppen-Syntax ist veraltet. Möchten Sie zur neuen Syntax migrieren?
+The\ search\ groups\ syntax\ is\ outdated.\ Do\ you\ want\ to\ migrate\ to\ the\ new\ syntax?=Die Suchgruppen-Syntax ist veraltet. Möchten Sie zur neuen Syntax migrieren?
 Migrate=Migrieren
 Keep\ as\ is=Unverändert belassen
 Edit=Bearbeiten
diff --git a/src/main/resources/l10n/JabRef_fr.properties b/src/main/resources/l10n/JabRef_fr.properties
index f1ce1d7ec1f..e27271002f1 100644
--- a/src/main/resources/l10n/JabRef_fr.properties
+++ b/src/main/resources/l10n/JabRef_fr.properties
@@ -270,9 +270,11 @@ Dynamically\ group\ entries\ by\ searching\ a\ field\ for\ a\ keyword=Grouper dy
 Each\ line\ must\ be\ of\ the\ following\ form\:\ 'tab\:field1;field2;...;fieldN'.=Chaque ligne doit être au format suivant \: 'tab\:field1;field2;...;fieldN'.
 
 Search\ groups\ migration\ of\ %0=Migration des groupes de recherche à %0
-The\ search\ groups\ syntax\ is\ outdated.\ Do\ you\ want\ to\ migrate\ to\ the\ new\ syntax?= La syntaxe des groupes de recherche est obsolète. Voulez-vous migrer vers la nouvelle syntaxe ?
+The\ search\ groups\ syntax\ is\ outdated.\ Do\ you\ want\ to\ migrate\ to\ the\ new\ syntax?=La syntaxe des groupes de recherche est obsolète. Voulez-vous migrer vers la nouvelle syntaxe ?
 Migrate=Migrer
 Keep\ as\ is=Garder tel quel
+Search\ group\ migration\ failed=La migration des groupes de recherche a échoué
+The\ search\ group\ '%0'\ could\ not\ be\ migrated.\ Please\ enter\ the\ new\ search\ expression.=Le groupe de recherche '%0' n'a pas pu être migré. Veuillez saisir la nouvelle expression de recherche.
 Edit=Édition
 
 Edit\ file\ type=Modifier le type de fichier
diff --git a/src/main/resources/l10n/JabRef_it.properties b/src/main/resources/l10n/JabRef_it.properties
index f0e2705bde9..763c27a48bf 100644
--- a/src/main/resources/l10n/JabRef_it.properties
+++ b/src/main/resources/l10n/JabRef_it.properties
@@ -270,9 +270,11 @@ Dynamically\ group\ entries\ by\ searching\ a\ field\ for\ a\ keyword=Raggruppa
 Each\ line\ must\ be\ of\ the\ following\ form\:\ 'tab\:field1;field2;...;fieldN'.=Ogni riga deve essere nella seguente forma\: 'tab\:field1;field2;...;fieldN'.
 
 Search\ groups\ migration\ of\ %0=Migrazione di gruppi di ricerca di %0
-The\ search\ groups\ syntax\ is\ outdated.\ Do\ you\ want\ to\ migrate\ to\ the\ new\ syntax?= La sintassi dei gruppi di ricerca è obsoleta. Vuoi migrare alla nuova sintassi?
+The\ search\ groups\ syntax\ is\ outdated.\ Do\ you\ want\ to\ migrate\ to\ the\ new\ syntax?=La sintassi dei gruppi di ricerca è obsoleta. Vuoi migrare alla nuova sintassi?
 Migrate=Migra
 Keep\ as\ is=Mantieni com'è
+Search\ group\ migration\ failed=Migrazione del gruppo di ricerca fallita
+The\ search\ group\ '%0'\ could\ not\ be\ migrated.\ Please\ enter\ the\ new\ search\ expression.=Il gruppo di ricerca '%0' non può essere migrato. Inserisci la nuova espressione di ricerca.
 Edit=Modifica
 
 Edit\ file\ type=Modifica il tipo di file
diff --git a/src/main/resources/l10n/JabRef_pl.properties b/src/main/resources/l10n/JabRef_pl.properties
index 6a8172ac4ec..f2afc158336 100644
--- a/src/main/resources/l10n/JabRef_pl.properties
+++ b/src/main/resources/l10n/JabRef_pl.properties
@@ -254,6 +254,8 @@ Dynamically\ group\ entries\ by\ searching\ a\ field\ for\ a\ keyword=Dynamiczne
 
 Each\ line\ must\ be\ of\ the\ following\ form\:\ 'tab\:field1;field2;...;fieldN'.=Każda linia musi mieć następującą formę\: 'tab\:field1;field2;...;fieldN'.
 
+Search\ group\ migration\ failed=Nie udało się przenieść grupy wyszukiwania
+The\ search\ group\ '%0'\ could\ not\ be\ migrated.\ Please\ enter\ the\ new\ search\ expression.=Grupa wyszukiwania '%0' nie mogła zostać przeniesiona. Proszę wprowadzić nowe wyrażenie wyszukiwania.
 Edit=Edytuj
 
 Edit\ file\ type=Edytuj typ pliku
diff --git a/src/main/resources/l10n/JabRef_pt_BR.properties b/src/main/resources/l10n/JabRef_pt_BR.properties
index a1b71b3c180..f1f3c028256 100644
--- a/src/main/resources/l10n/JabRef_pt_BR.properties
+++ b/src/main/resources/l10n/JabRef_pt_BR.properties
@@ -270,7 +270,7 @@ Dynamically\ group\ entries\ by\ searching\ a\ field\ for\ a\ keyword=Agrupar re
 Each\ line\ must\ be\ of\ the\ following\ form\:\ 'tab\:field1;field2;...;fieldN'.=Cada linha deve ter o seguinte formato\: 'tab\:field1;field2;...;fieldN'.
 
 Search\ groups\ migration\ of\ %0=Buscar grupos de migração de %0
-The\ search\ groups\ syntax\ is\ outdated.\ Do\ you\ want\ to\ migrate\ to\ the\ new\ syntax?= A sintaxe dos grupos de pesquisa está desatualizada. Você deseja migrar para a nova sintaxe?
+The\ search\ groups\ syntax\ is\ outdated.\ Do\ you\ want\ to\ migrate\ to\ the\ new\ syntax?=A sintaxe dos grupos de pesquisa está desatualizada. Você deseja migrar para a nova sintaxe?
 Migrate=Migrar
 Keep\ as\ is=Manter como está
 Edit=Editar