diff --git a/ComApp/src/App/Views/ContactDetailsScreen.js b/ComApp/src/App/Views/ContactDetailsScreen.js
index f25f630..70d3c44 100644
--- a/ComApp/src/App/Views/ContactDetailsScreen.js
+++ b/ComApp/src/App/Views/ContactDetailsScreen.js
@@ -207,6 +207,20 @@ class ContactDetailsScreen extends React.Component {
           }) + '.\n',
         );
       }
+      if (
+        input?.value?.length &&
+        input?.value?.length > 255 &&
+        (formToValidate.type === InputType.EMAIL ||
+          formToValidate.type === InputType.PHONE ||
+          formToValidate.type === InputType.TEXT)
+      ) {
+        console.debug('invalid data ', input.formSlug);
+        error = error.concat(
+          i18n.t('contact_details_s.input_too_long', {
+            placeholder: formToValidate.placeholder[i18n.locale],
+          }) + '.\n',
+        );
+      }
       if (
         input?.value?.length &&
         formToValidate.type === InputType.EMAIL &&
diff --git a/ComApp/src/Resources/Locales/de.json b/ComApp/src/Resources/Locales/de.json
index c1ff799..276bc2b 100644
--- a/ComApp/src/Resources/Locales/de.json
+++ b/ComApp/src/Resources/Locales/de.json
@@ -85,6 +85,7 @@
     "contact_list": "Kontaktliste",
     "documents_list": "Liste der Dokumente",
     "input_required": "Das Feld %{placeholder} ist erforderlich",
+    "input_too_long": "Das Feld %{placeholder} ist zu lang",
     "input_email": "Das Feld %{placeholder} muss eine gültige E-Mail-Adresse sein"
   },
   "contact_details_s": {
diff --git a/ComApp/src/Resources/Locales/en.json b/ComApp/src/Resources/Locales/en.json
index a1c6c83..f09d0f6 100644
--- a/ComApp/src/Resources/Locales/en.json
+++ b/ComApp/src/Resources/Locales/en.json
@@ -97,6 +97,7 @@
     "input_select_please_choose": "Select a value",
     "input_select_multiple_search": "Search",
     "input_required": "The %{placeholder} field is required",
+    "input_too_long": "%{placeholder} field is too long",
     "input_email": "The %{placeholder} field must be a valid email"
   },
   "error": {
diff --git a/ComApp/src/Resources/Locales/fr.json b/ComApp/src/Resources/Locales/fr.json
index aec1aaf..4e5d834 100644
--- a/ComApp/src/Resources/Locales/fr.json
+++ b/ComApp/src/Resources/Locales/fr.json
@@ -97,6 +97,7 @@
     "input_select_please_choose": "Selectionnez un élément",
     "input_select_multiple_search": "Recherche",
     "input_required": "Le champ %{placeholder} est obligatoire",
+    "input_too_long": "Le champ %{placeholder} est trop long",
     "input_email": "Le champ %{placeholder} doit être un email valide"
   },
   "error": {