diff --git a/messages/de.json b/messages/de.json
index 8ee193b89..13bcb27aa 100644
--- a/messages/de.json
+++ b/messages/de.json
@@ -191,6 +191,37 @@
     },
     "ai_provider": {
       "private_host": "Diese Adresse liegt in einem privaten Netz. Der Betreiber muss ihren genauen Ursprung erst in AI_PRIVATE_ORIGINS freigeben."
+    },
+    "encounter": {
+      "invalid": "Prüfe die Angaben zum Termin und versuche es erneut.",
+      "practitioner-not-found": "Diese Praxis bzw. dieser Arzt existiert nicht mehr. Wähle einen anderen Eintrag oder keinen.",
+      "reminder-not-found": "Diese Vorsorge existiert nicht mehr. Wähle eine andere oder keine.",
+      "reminder-conflict": "Ein geplanter Termin kann keine Vorsorge abschließen, denn er hat noch nicht stattgefunden."
+    },
+    "vaccination": {
+      "invalid": "Prüfe die Angaben zur Impfung und versuche es erneut.",
+      "practitioner-not-found": "Diese Praxis bzw. dieser Arzt existiert nicht mehr. Wähle einen anderen Eintrag oder keinen.",
+      "encounter-not-found": "Dieser Termin existiert nicht mehr. Wähle einen anderen oder keinen.",
+      "custom-vaccine-not-found": "Dieser Impfstoff existiert nicht mehr. Wähle ihn erneut aus der Liste.",
+      "not-found": "Diese Impfung ist nicht mehr vorhanden.",
+      "identity-required": "Eine Impfung braucht einen Namen: Wähle einen Impfstoff aus der Liste oder gib ein, was im Impfpass steht.",
+      "booster-invalid": "Prüfe die Angaben zur Auffrischung und versuche es erneut.",
+      "booster-no-antigen": "Diese Impfung nennt keinen Impfstoff aus dem Katalog, daher lässt sich keine Auffrischung planen.",
+      "booster-out-of-scope": "Deine Freigabe für diese Akte reicht nicht, um eine Auffrischung zu planen."
+    },
+    "allergy": {
+      "invalid": "Prüfe die Angaben zur Allergie und versuche es erneut."
+    },
+    "practitioner": {
+      "invalid": "Prüfe die Angaben zur Praxis bzw. zum Arzt und versuche es erneut."
+    },
+    "workout": {
+      "batch": {
+        "invalid": "Prüfe die Angaben zum Training und versuche es erneut.",
+        "too_large": "Zu viele Trainings auf einmal. Schicke weniger auf einmal.",
+        "payload_too_large": "Die Trainingsdaten sind zu groß, um sie auf einmal zu speichern.",
+        "source_not_permitted": "Diese Verbindung darf keine Trainings unter dieser Quelle speichern."
+      }
     }
   },
   "doctorReport": {
diff --git a/messages/en.json b/messages/en.json
index 5a5554e39..6ba260ae3 100644
--- a/messages/en.json
+++ b/messages/en.json
@@ -191,6 +191,37 @@
     },
     "ai_provider": {
       "private_host": "This address is on a private network. The operator has to allow its exact origin in AI_PRIVATE_ORIGINS before it can be used."
+    },
+    "encounter": {
+      "invalid": "Check the visit details and try again.",
+      "practitioner-not-found": "This practice or doctor no longer exists. Choose another or none.",
+      "reminder-not-found": "This checkup no longer exists. Choose another or none.",
+      "reminder-conflict": "A planned visit cannot close a checkup, because it has not happened yet."
+    },
+    "vaccination": {
+      "invalid": "Check the vaccination details and try again.",
+      "practitioner-not-found": "This practice or doctor no longer exists. Choose another or none.",
+      "encounter-not-found": "This visit no longer exists. Choose another or none.",
+      "custom-vaccine-not-found": "This vaccine no longer exists. Choose it again from the list.",
+      "not-found": "This vaccination is no longer available.",
+      "identity-required": "A dose needs a name: pick a vaccine from the list or type what the record says.",
+      "booster-invalid": "Check the booster details and try again.",
+      "booster-no-antigen": "This dose names no vaccine from the catalogue, so no booster can be planned for it.",
+      "booster-out-of-scope": "Your access to this record does not cover planning a booster."
+    },
+    "allergy": {
+      "invalid": "Check the allergy details and try again."
+    },
+    "practitioner": {
+      "invalid": "Check the practice or doctor details and try again."
+    },
+    "workout": {
+      "batch": {
+        "invalid": "Check the workout details and try again.",
+        "too_large": "Too many workouts at once. Send fewer at a time.",
+        "payload_too_large": "The workout data is too large to save in one go.",
+        "source_not_permitted": "This connection may not save workouts under that source."
+      }
     }
   },
   "doctorReport": {
diff --git a/messages/es.json b/messages/es.json
index 283ba8e2f..62128c707 100644
--- a/messages/es.json
+++ b/messages/es.json
@@ -191,6 +191,37 @@
     },
     "ai_provider": {
       "private_host": "Esta dirección está en una red privada. El operador tiene que permitir antes su origen exacto en AI_PRIVATE_ORIGINS."
+    },
+    "encounter": {
+      "invalid": "Comprueba los datos de la cita e inténtalo de nuevo.",
+      "practitioner-not-found": "Esta consulta o este médico ya no existe. Elige otro o ninguno.",
+      "reminder-not-found": "Esta revisión ya no existe. Elige otra o ninguna.",
+      "reminder-conflict": "Una cita prevista no puede cerrar una revisión, porque todavía no ha tenido lugar."
+    },
+    "vaccination": {
+      "invalid": "Comprueba los datos de la vacuna e inténtalo de nuevo.",
+      "practitioner-not-found": "Esta consulta o este médico ya no existe. Elige otro o ninguno.",
+      "encounter-not-found": "Esta cita ya no existe. Elige otra o ninguna.",
+      "custom-vaccine-not-found": "Esta vacuna ya no existe. Elígela de nuevo en la lista.",
+      "not-found": "Esta vacuna ya no está disponible.",
+      "identity-required": "Una dosis necesita un nombre: elige una vacuna de la lista o escribe lo que pone el registro.",
+      "booster-invalid": "Comprueba los datos del refuerzo e inténtalo de nuevo.",
+      "booster-no-antigen": "Esta dosis no indica ninguna vacuna del catálogo, así que no se puede planificar un refuerzo.",
+      "booster-out-of-scope": "Tu acceso a este registro no permite planificar un refuerzo."
+    },
+    "allergy": {
+      "invalid": "Comprueba los datos de la alergia e inténtalo de nuevo."
+    },
+    "practitioner": {
+      "invalid": "Comprueba los datos de la consulta o del médico e inténtalo de nuevo."
+    },
+    "workout": {
+      "batch": {
+        "invalid": "Comprueba los datos del entrenamiento e inténtalo de nuevo.",
+        "too_large": "Demasiados entrenamientos a la vez. Envía menos cada vez.",
+        "payload_too_large": "Los datos del entrenamiento son demasiado grandes para guardarlos de una vez.",
+        "source_not_permitted": "Esta conexión no puede guardar entrenamientos con esa fuente."
+      }
     }
   },
   "doctorReport": {
diff --git a/messages/fr.json b/messages/fr.json
index a04c2fd05..f9885e3c5 100644
--- a/messages/fr.json
+++ b/messages/fr.json
@@ -191,6 +191,37 @@
     },
     "ai_provider": {
       "private_host": "Cette adresse se trouve sur un réseau privé. L’opérateur doit d’abord autoriser son origine exacte dans AI_PRIVATE_ORIGINS."
+    },
+    "encounter": {
+      "invalid": "Vérifiez les informations du rendez-vous et réessayez.",
+      "practitioner-not-found": "Ce cabinet ou ce médecin n'existe plus. Choisissez-en un autre ou aucun.",
+      "reminder-not-found": "Ce dépistage n'existe plus. Choisissez-en un autre ou aucun.",
+      "reminder-conflict": "Un rendez-vous prévu ne peut pas clore un dépistage, car il n'a pas encore eu lieu."
+    },
+    "vaccination": {
+      "invalid": "Vérifiez les informations de la vaccination et réessayez.",
+      "practitioner-not-found": "Ce cabinet ou ce médecin n'existe plus. Choisissez-en un autre ou aucun.",
+      "encounter-not-found": "Ce rendez-vous n'existe plus. Choisissez-en un autre ou aucun.",
+      "custom-vaccine-not-found": "Ce vaccin n'existe plus. Choisissez-le à nouveau dans la liste.",
+      "not-found": "Cette vaccination n'est plus disponible.",
+      "identity-required": "Une dose a besoin d'un nom : choisissez un vaccin dans la liste ou saisissez ce qu'indique le carnet.",
+      "booster-invalid": "Vérifiez les informations du rappel et réessayez.",
+      "booster-no-antigen": "Cette dose ne cite aucun vaccin du catalogue, aucun rappel ne peut donc être prévu.",
+      "booster-out-of-scope": "Votre accès à ce dossier ne permet pas de prévoir un rappel."
+    },
+    "allergy": {
+      "invalid": "Vérifiez les informations de l'allergie et réessayez."
+    },
+    "practitioner": {
+      "invalid": "Vérifiez les informations du cabinet ou du médecin et réessayez."
+    },
+    "workout": {
+      "batch": {
+        "invalid": "Vérifiez les informations de l'entraînement et réessayez.",
+        "too_large": "Trop d'entraînements à la fois. Envoyez-en moins à la fois.",
+        "payload_too_large": "Les données d'entraînement sont trop volumineuses pour être enregistrées en une fois.",
+        "source_not_permitted": "Cette connexion n'a pas le droit d'enregistrer des entraînements sous cette source."
+      }
     }
   },
   "doctorReport": {
diff --git a/messages/it.json b/messages/it.json
index 2be4d5cf8..f78033c05 100644
--- a/messages/it.json
+++ b/messages/it.json
@@ -191,6 +191,37 @@
     },
     "ai_provider": {
       "private_host": "Questo indirizzo si trova in una rete privata. L’operatore deve prima consentirne l’origine esatta in AI_PRIVATE_ORIGINS."
+    },
+    "encounter": {
+      "invalid": "Controlla i dati dell'appuntamento e riprova.",
+      "practitioner-not-found": "Questo studio o medico non esiste più. Scegline un altro o nessuno.",
+      "reminder-not-found": "Questo controllo non esiste più. Scegline un altro o nessuno.",
+      "reminder-conflict": "Un appuntamento previsto non può chiudere un controllo, perché non è ancora avvenuto."
+    },
+    "vaccination": {
+      "invalid": "Controlla i dati della vaccinazione e riprova.",
+      "practitioner-not-found": "Questo studio o medico non esiste più. Scegline un altro o nessuno.",
+      "encounter-not-found": "Questo appuntamento non esiste più. Scegline un altro o nessuno.",
+      "custom-vaccine-not-found": "Questo vaccino non esiste più. Sceglilo di nuovo dall'elenco.",
+      "not-found": "Questa vaccinazione non è più disponibile.",
+      "identity-required": "Una dose ha bisogno di un nome: scegli un vaccino dall'elenco o scrivi quello che riporta il libretto.",
+      "booster-invalid": "Controlla i dati del richiamo e riprova.",
+      "booster-no-antigen": "Questa dose non indica alcun vaccino del catalogo, quindi non si può pianificare un richiamo.",
+      "booster-out-of-scope": "Il tuo accesso a questa cartella non consente di pianificare un richiamo."
+    },
+    "allergy": {
+      "invalid": "Controlla i dati dell'allergia e riprova."
+    },
+    "practitioner": {
+      "invalid": "Controlla i dati dello studio o del medico e riprova."
+    },
+    "workout": {
+      "batch": {
+        "invalid": "Controlla i dati dell'allenamento e riprova.",
+        "too_large": "Troppi allenamenti in una volta. Inviane meno alla volta.",
+        "payload_too_large": "I dati dell'allenamento sono troppo grandi per salvarli in una volta.",
+        "source_not_permitted": "Questa connessione non può salvare allenamenti con questa fonte."
+      }
     }
   },
   "doctorReport": {
diff --git a/messages/ko.json b/messages/ko.json
index 8bee83435..c62750df2 100644
--- a/messages/ko.json
+++ b/messages/ko.json
@@ -191,6 +191,37 @@
     },
     "ai_provider": {
       "private_host": "이 주소는 사설 네트워크에 있어요. 운영자가 먼저 AI_PRIVATE_ORIGINS에 정확한 출처를 허용해야 해요."
+    },
+    "encounter": {
+      "invalid": "진료 정보를 확인하고 다시 시도해 주세요.",
+      "practitioner-not-found": "이 병원 또는 의사가 더 이상 없어요. 다른 항목을 고르거나 선택하지 마세요.",
+      "reminder-not-found": "이 건강검진이 더 이상 없어요. 다른 검진을 고르거나 선택하지 마세요.",
+      "reminder-conflict": "예정된 진료는 아직 이루어지지 않았기 때문에 건강검진을 완료할 수 없어요."
+    },
+    "vaccination": {
+      "invalid": "예방접종 정보를 확인하고 다시 시도해 주세요.",
+      "practitioner-not-found": "이 병원 또는 의사가 더 이상 없어요. 다른 항목을 고르거나 선택하지 마세요.",
+      "encounter-not-found": "이 진료가 더 이상 없어요. 다른 진료를 고르거나 선택하지 마세요.",
+      "custom-vaccine-not-found": "이 백신이 더 이상 없어요. 목록에서 다시 골라 주세요.",
+      "not-found": "이 예방접종 기록은 더 이상 없어요.",
+      "identity-required": "접종에는 이름이 필요해요. 목록에서 백신을 고르거나 기록에 적힌 이름을 입력하세요.",
+      "booster-invalid": "추가 접종 정보를 확인하고 다시 시도해 주세요.",
+      "booster-no-antigen": "이 접종에는 목록의 백신이 지정되지 않아 추가 접종을 계획할 수 없어요.",
+      "booster-out-of-scope": "이 기록에 대한 권한으로는 추가 접종을 계획할 수 없어요."
+    },
+    "allergy": {
+      "invalid": "알레르기 정보를 확인하고 다시 시도해 주세요."
+    },
+    "practitioner": {
+      "invalid": "병원 또는 의사 정보를 확인하고 다시 시도해 주세요."
+    },
+    "workout": {
+      "batch": {
+        "invalid": "운동 정보를 확인하고 다시 시도해 주세요.",
+        "too_large": "한 번에 운동이 너무 많아요. 조금씩 나눠서 보내 주세요.",
+        "payload_too_large": "운동 데이터가 너무 커서 한 번에 저장할 수 없어요.",
+        "source_not_permitted": "이 연결로는 해당 출처의 운동을 저장할 수 없어요."
+      }
     }
   },
   "doctorReport": {
diff --git a/messages/nl.json b/messages/nl.json
index 680cb970c..da1aa2e27 100644
--- a/messages/nl.json
+++ b/messages/nl.json
@@ -191,6 +191,37 @@
     },
     "ai_provider": {
       "private_host": "Dit adres ligt in een privénetwerk. De beheerder moet de exacte origin eerst toestaan in AI_PRIVATE_ORIGINS."
+    },
+    "encounter": {
+      "invalid": "Controleer de gegevens van het bezoek en probeer het opnieuw.",
+      "practitioner-not-found": "Deze praktijk of arts bestaat niet meer. Kies een andere of geen.",
+      "reminder-not-found": "Deze controle bestaat niet meer. Kies een andere of geen.",
+      "reminder-conflict": "Een gepland bezoek kan geen controle afsluiten, want het heeft nog niet plaatsgevonden."
+    },
+    "vaccination": {
+      "invalid": "Controleer de gegevens van de vaccinatie en probeer het opnieuw.",
+      "practitioner-not-found": "Deze praktijk of arts bestaat niet meer. Kies een andere of geen.",
+      "encounter-not-found": "Dit bezoek bestaat niet meer. Kies een ander of geen.",
+      "custom-vaccine-not-found": "Dit vaccin bestaat niet meer. Kies het opnieuw uit de lijst.",
+      "not-found": "Deze vaccinatie is niet meer beschikbaar.",
+      "identity-required": "Een dosis heeft een naam nodig: kies een vaccin uit de lijst of typ wat er in het boekje staat.",
+      "booster-invalid": "Controleer de gegevens van de booster en probeer het opnieuw.",
+      "booster-no-antigen": "Deze dosis noemt geen vaccin uit de catalogus, dus er kan geen booster worden gepland.",
+      "booster-out-of-scope": "Je toegang tot dit dossier dekt het plannen van een booster niet."
+    },
+    "allergy": {
+      "invalid": "Controleer de gegevens van de allergie en probeer het opnieuw."
+    },
+    "practitioner": {
+      "invalid": "Controleer de gegevens van de praktijk of arts en probeer het opnieuw."
+    },
+    "workout": {
+      "batch": {
+        "invalid": "Controleer de gegevens van de training en probeer het opnieuw.",
+        "too_large": "Te veel trainingen tegelijk. Stuur er minder per keer.",
+        "payload_too_large": "De trainingsgegevens zijn te groot om in één keer op te slaan.",
+        "source_not_permitted": "Deze koppeling mag geen trainingen onder die bron opslaan."
+      }
     }
   },
   "doctorReport": {
diff --git a/messages/pl.json b/messages/pl.json
index f688e8ad1..854b541fe 100644
--- a/messages/pl.json
+++ b/messages/pl.json
@@ -191,6 +191,37 @@
     },
     "ai_provider": {
       "private_host": "Ten adres jest w sieci prywatnej. Operator musi najpierw dopuścić jego dokładne źródło w AI_PRIVATE_ORIGINS."
+    },
+    "encounter": {
+      "invalid": "Sprawdź dane wizyty i spróbuj ponownie.",
+      "practitioner-not-found": "Ten gabinet lub lekarz już nie istnieje. Wybierz inny albo żaden.",
+      "reminder-not-found": "To badanie już nie istnieje. Wybierz inne albo żadne.",
+      "reminder-conflict": "Zaplanowana wizyta nie może zamknąć badania, bo jeszcze się nie odbyła."
+    },
+    "vaccination": {
+      "invalid": "Sprawdź dane szczepienia i spróbuj ponownie.",
+      "practitioner-not-found": "Ten gabinet lub lekarz już nie istnieje. Wybierz inny albo żaden.",
+      "encounter-not-found": "Ta wizyta już nie istnieje. Wybierz inną albo żadną.",
+      "custom-vaccine-not-found": "Ta szczepionka już nie istnieje. Wybierz ją ponownie z listy.",
+      "not-found": "To szczepienie nie jest już dostępne.",
+      "identity-required": "Dawka potrzebuje nazwy: wybierz szczepionkę z listy albo wpisz to, co widnieje w dokumentacji.",
+      "booster-invalid": "Sprawdź dane dawki przypominającej i spróbuj ponownie.",
+      "booster-no-antigen": "Ta dawka nie wskazuje szczepionki z katalogu, więc nie da się zaplanować dawki przypominającej.",
+      "booster-out-of-scope": "Twój dostęp do tej kartoteki nie obejmuje planowania dawki przypominającej."
+    },
+    "allergy": {
+      "invalid": "Sprawdź dane alergii i spróbuj ponownie."
+    },
+    "practitioner": {
+      "invalid": "Sprawdź dane gabinetu lub lekarza i spróbuj ponownie."
+    },
+    "workout": {
+      "batch": {
+        "invalid": "Sprawdź dane treningu i spróbuj ponownie.",
+        "too_large": "Za dużo treningów naraz. Wysyłaj mniej za jednym razem.",
+        "payload_too_large": "Dane treningu są za duże, by zapisać je za jednym razem.",
+        "source_not_permitted": "To połączenie nie może zapisywać treningów pod tym źródłem."
+      }
     }
   },
   "doctorReport": {
diff --git a/messages/pt-BR.json b/messages/pt-BR.json
index 17035a7a1..bf5265f6e 100644
--- a/messages/pt-BR.json
+++ b/messages/pt-BR.json
@@ -191,6 +191,37 @@
     },
     "ai_provider": {
       "private_host": "Este endereço está em uma rede privada. O operador precisa primeiro permitir a origem exata em AI_PRIVATE_ORIGINS."
+    },
+    "encounter": {
+      "invalid": "Verifique os dados da consulta e tente novamente.",
+      "practitioner-not-found": "Esta clínica ou médico não existe mais. Escolha outro ou nenhum.",
+      "reminder-not-found": "Este check não existe mais. Escolha outro ou nenhum.",
+      "reminder-conflict": "Uma consulta planejada não pode fechar um check, porque ainda não aconteceu."
+    },
+    "vaccination": {
+      "invalid": "Verifique os dados da vacina e tente novamente.",
+      "practitioner-not-found": "Esta clínica ou médico não existe mais. Escolha outro ou nenhum.",
+      "encounter-not-found": "Esta consulta não existe mais. Escolha outra ou nenhuma.",
+      "custom-vaccine-not-found": "Esta vacina não existe mais. Escolha-a novamente na lista.",
+      "not-found": "Esta vacina não está mais disponível.",
+      "identity-required": "Uma dose precisa de um nome: escolha uma vacina da lista ou digite o que consta no registro.",
+      "booster-invalid": "Verifique os dados do reforço e tente novamente.",
+      "booster-no-antigen": "Esta dose não indica nenhuma vacina do catálogo, então não é possível planejar um reforço.",
+      "booster-out-of-scope": "Seu acesso a este registro não permite planejar um reforço."
+    },
+    "allergy": {
+      "invalid": "Verifique os dados da alergia e tente novamente."
+    },
+    "practitioner": {
+      "invalid": "Verifique os dados da clínica ou do médico e tente novamente."
+    },
+    "workout": {
+      "batch": {
+        "invalid": "Verifique os dados do treino e tente novamente.",
+        "too_large": "Treinos demais de uma vez. Envie menos por vez.",
+        "payload_too_large": "Os dados do treino são grandes demais para salvar de uma vez.",
+        "source_not_permitted": "Esta conexão não pode salvar treinos com essa origem."
+      }
     }
   },
   "doctorReport": {
diff --git a/messages/ru.json b/messages/ru.json
index 05d5c1372..d207f54f6 100644
--- a/messages/ru.json
+++ b/messages/ru.json
@@ -191,6 +191,37 @@
     },
     "ai_provider": {
       "private_host": "Этот адрес находится в частной сети. Сначала оператор должен разрешить его точный источник в AI_PRIVATE_ORIGINS."
+    },
+    "encounter": {
+      "invalid": "Проверьте данные визита и попробуйте снова.",
+      "practitioner-not-found": "Этой клиники или врача больше нет. Выберите другую запись или никакую.",
+      "reminder-not-found": "Этого осмотра больше нет. Выберите другой или никакой.",
+      "reminder-conflict": "Запланированный визит не может закрыть осмотр, потому что он ещё не состоялся."
+    },
+    "vaccination": {
+      "invalid": "Проверьте данные вакцинации и попробуйте снова.",
+      "practitioner-not-found": "Этой клиники или врача больше нет. Выберите другую запись или никакую.",
+      "encounter-not-found": "Этого визита больше нет. Выберите другой или никакой.",
+      "custom-vaccine-not-found": "Этой вакцины больше нет. Выберите её в списке ещё раз.",
+      "not-found": "Этой вакцинации больше нет.",
+      "identity-required": "У дозы должно быть название: выберите вакцину из списка или введите то, что указано в записи.",
+      "booster-invalid": "Проверьте данные ревакцинации и попробуйте снова.",
+      "booster-no-antigen": "В этой дозе не указана вакцина из каталога, поэтому ревакцинацию запланировать нельзя.",
+      "booster-out-of-scope": "Ваш доступ к этой карте не позволяет планировать ревакцинацию."
+    },
+    "allergy": {
+      "invalid": "Проверьте данные аллергии и попробуйте снова."
+    },
+    "practitioner": {
+      "invalid": "Проверьте данные клиники или врача и попробуйте снова."
+    },
+    "workout": {
+      "batch": {
+        "invalid": "Проверьте данные тренировки и попробуйте снова.",
+        "too_large": "Слишком много тренировок за раз. Отправляйте меньше за один раз.",
+        "payload_too_large": "Данные тренировки слишком велики, чтобы сохранить их за один раз.",
+        "source_not_permitted": "Это подключение не может сохранять тренировки с таким источником."
+      }
     }
   },
   "doctorReport": {
diff --git a/src/lib/api/__tests__/localized-error.test.ts b/src/lib/api/__tests__/localized-error.test.ts
index b828bf842..33bc278f0 100644
--- a/src/lib/api/__tests__/localized-error.test.ts
+++ b/src/lib/api/__tests__/localized-error.test.ts
@@ -7,7 +7,11 @@ import en from "../../../../messages/en.json";
 import es from "../../../../messages/es.json";
 import fr from "../../../../messages/fr.json";
 import itCatalog from "../../../../messages/it.json";
+import ko from "../../../../messages/ko.json";
+import nl from "../../../../messages/nl.json";
 import pl from "../../../../messages/pl.json";
+import ptBR from "../../../../messages/pt-BR.json";
+import ru from "../../../../messages/ru.json";
 
 type Catalog = Record<string, unknown>;
 
@@ -160,4 +164,54 @@ describe("localizedApiError", () => {
       }
     });
   });
+
+  describe("the refusals of the visit, vaccination, allergy, address-book and workout saves", () => {
+    // Each of these is a code the route sends to a form that reads it through
+    // `localizedApiError`; without a sentence the form says only "could not
+    // save", which hides a fix the person can make.
+    const codes = [
+      "encounter.invalid",
+      "encounter.practitioner-not-found",
+      "encounter.reminder-not-found",
+      "encounter.reminder-conflict",
+      "vaccination.invalid",
+      "vaccination.not-found",
+      "vaccination.identity-required",
+      "vaccination.practitioner-not-found",
+      "vaccination.encounter-not-found",
+      "vaccination.custom-vaccine-not-found",
+      "vaccination.booster-invalid",
+      "vaccination.booster-no-antigen",
+      "vaccination.booster-out-of-scope",
+      "allergy.invalid",
+      "practitioner.invalid",
+      "workout.batch.invalid",
+      "workout.batch.too_large",
+      "workout.batch.payload_too_large",
+      "workout.batch.source_not_permitted",
+    ];
+
+    it.each([
+      ["de", de],
+      ["en", en],
+      ["es", es],
+      ["fr", fr],
+      ["it", itCatalog],
+      ["ko", ko],
+      ["nl", nl],
+      ["pl", pl],
+      ["pt-BR", ptBR],
+      ["ru", ru],
+    ])("has a sentence of its own for each in %s", (_, locale) => {
+      const localT = translator(locale as Catalog);
+      for (const code of codes) {
+        const error = new ApiError("raw English server prose", 422, {
+          errorCode: code,
+        });
+        expect(localizedApiError(error, localT, "common.error"), code).not.toBe(
+          localT("common.error"),
+        );
+      }
+    });
+  });
 });