diff --git a/ccm-cms-types-researchnetwork/src/com/arsdigita/cms/contenttypes/ResearchNetworkResources.properties b/ccm-cms-types-researchnetwork/src/com/arsdigita/cms/contenttypes/ResearchNetworkResources.properties
index 21b1c8766..a79cb2d08 100644
--- a/ccm-cms-types-researchnetwork/src/com/arsdigita/cms/contenttypes/ResearchNetworkResources.properties
+++ b/ccm-cms-types-researchnetwork/src/com/arsdigita/cms/contenttypes/ResearchNetworkResources.properties
@@ -11,4 +11,6 @@ cms.contenttypes.researchnetwork.ui.title=Name of research network
 cms.contenttypes.researchnetwork.ui.direction=Direction of research network
 cms.contenttypes.researchnetwork.ui.coordination=Coordination of research network
 cms.contenttypes.researchnetwork.ui.website=URL of the website of the research network
-cms.contenttypes.researchnetwork.ui.description=Description
\ No newline at end of file
+cms.contenttypes.researchnetwork.ui.description=Description
+cms.contenttypes.ui.researchnetwork.requires_person_selection=Person selection is required
+cms.contenttypes.ui.researchnetwork.canceled=Canceled
diff --git a/ccm-cms-types-researchnetwork/src/com/arsdigita/cms/contenttypes/ResearchNetworkResources_de.properties b/ccm-cms-types-researchnetwork/src/com/arsdigita/cms/contenttypes/ResearchNetworkResources_de.properties
index a07e5ef26..79c608025 100644
--- a/ccm-cms-types-researchnetwork/src/com/arsdigita/cms/contenttypes/ResearchNetworkResources_de.properties
+++ b/ccm-cms-types-researchnetwork/src/com/arsdigita/cms/contenttypes/ResearchNetworkResources_de.properties
@@ -5,10 +5,12 @@ cms.contenttypes.ui.researchnetwork.membership.person=Person
 cms.contenttypes.ui.researchnetwork.membership.noMembers=Diesen Forschungsnetzwerk hat keine Mitglieder.
 cms.contenttypes.ui.researchnetwork.membership.person=Person
 cms.contenttypes.ui.researchnetwork.membership.edit=Bearbeiten
-cms.contenttypes.ui.researchnetwork.membership.delete=L\u00F6schen
+cms.contenttypes.ui.researchnetwork.membership.delete=L\u00f6schen
 
 cms.contenttypes.researchnetwork.ui.title=Name des Forschungsnetzwerks
 cms.contenttypes.researchnetwork.ui.direction=Leitung des Forschungsnetzwerks
 cms.contenttypes.researchnetwork.ui.coordination=Koordination des Forschungsnetzwerks
 cms.contenttypes.researchnetwork.ui.website=URL der Webseite des Forschungsnetzwerks
-cms.contenttypes.researchnetwork.ui.description=Beschreibung
\ No newline at end of file
+cms.contenttypes.researchnetwork.ui.description=Beschreibung
+cms.contenttypes.ui.researchnetwork.requires_person_selection=Auswahl einer Person ist notwendig
+cms.contenttypes.ui.researchnetwork.canceled=Abgebrochen
diff --git a/ccm-cms-types-researchnetwork/src/com/arsdigita/cms/contenttypes/ui/ResearchNetworkMembershipPropertyForm.java b/ccm-cms-types-researchnetwork/src/com/arsdigita/cms/contenttypes/ui/ResearchNetworkMembershipPropertyForm.java
index debf3082e..6fa5b71a3 100644
--- a/ccm-cms-types-researchnetwork/src/com/arsdigita/cms/contenttypes/ui/ResearchNetworkMembershipPropertyForm.java
+++ b/ccm-cms-types-researchnetwork/src/com/arsdigita/cms/contenttypes/ui/ResearchNetworkMembershipPropertyForm.java
@@ -177,7 +177,8 @@ public class ResearchNetworkMembershipPropertyForm  extends FormSection implemen
     @Override
     public void validate(FormSectionEvent event) throws FormProcessException {
         if (event.getFormData().get(PERSON_SEARCH) == null) {
-            throw new FormProcessException("Person selection is required");
+            throw new FormProcessException(ResearchNetworkGlobalizationUtil.globalize(
+                    "cms.contenttypes.ui.researchnetwork.requires_person_selection"));
         }
     }
 
@@ -186,7 +187,8 @@ public class ResearchNetworkMembershipPropertyForm  extends FormSection implemen
         if (this.m_saveCancelSection.getCancelButton().isSelected(event.getPageState())) {
             m_membershipModel.clearSelection(event.getPageState());
             init(event);
-            throw new FormProcessException("cancelled");
+            throw new FormProcessException(ResearchNetworkGlobalizationUtil.globalize(
+                    "cms.contenttypes.ui.researchnetwork.canceled"));
         }
     }
 }