diff --git a/src/main/java/org/olat/group/ui/run/_i18n/LocalStrings_pt_BR.properties b/src/main/java/org/olat/group/ui/run/_i18n/LocalStrings_pt_BR.properties
index b2f68a5244107bd261f2d88eb8a564116649be7b..7c32167d34b94d934a86728d3e376074611a050c 100644
--- a/src/main/java/org/olat/group/ui/run/_i18n/LocalStrings_pt_BR.properties
+++ b/src/main/java/org/olat/group/ui/run/_i18n/LocalStrings_pt_BR.properties
@@ -1,4 +1,4 @@
-#Fri May 03 20:47:34 CEST 2019
+#Mon May 13 16:59:55 CEST 2019
 businessgroup.contact.bodytext=<p></p>---<p>Ir imediatamente para o grupo "{0}"\: {1}</p>
 businessgroup.contact.subject=Mensagem para grupo {0}
 contact.all.coaches=Todos os treinadores (coaches) de grupo
diff --git a/src/main/java/org/olat/ims/qti21/ui/_i18n/LocalStrings_de.properties b/src/main/java/org/olat/ims/qti21/ui/_i18n/LocalStrings_de.properties
index bfe692e962f12e09a3a08ab3cb40701b3ad43f1b..e4fff68fa18ed8d4ed8d6fa9fb40fe70eb37c823 100644
--- a/src/main/java/org/olat/ims/qti21/ui/_i18n/LocalStrings_de.properties
+++ b/src/main/java/org/olat/ims/qti21/ui/_i18n/LocalStrings_de.properties
@@ -99,7 +99,7 @@ digital.signature.mail.test.option=Testquittung per Mail schicken
 digital.signature.test.option=Testquittung erstellen
 digital.signature.text=Testquittung der Testergebnisse
 download.log=Logdatei
-download.pdf=Resultaten als PDF
+download.pdf=Resultate als PDF
 drawing.brushsize=Pinselgr\u00F6sse
 drawing.opacity=Deckkraft
 error.as.directed=Alle 4 Antwortm\u00F6glichkeiten m\u00FCssen entweder mit Richtig oder Falsch beantwortet werden.
diff --git a/src/main/java/org/olat/modules/docpool/ui/_i18n/LocalStrings_de.properties b/src/main/java/org/olat/modules/docpool/ui/_i18n/LocalStrings_de.properties
index 89983573df624313dc7cc870c08e2039ed48eb7b..92efb3c9a24e6ce11242f243cd4110cb9cb5aa7c 100644
--- a/src/main/java/org/olat/modules/docpool/ui/_i18n/LocalStrings_de.properties
+++ b/src/main/java/org/olat/modules/docpool/ui/_i18n/LocalStrings_de.properties
@@ -2,7 +2,7 @@
 admin.description=Der Dokumentenpool stellt eine Dokumentenbibliothek bereit mit automatischer Strukturierung auf der Basis einer Taxonomie und Kompetenzen.
 admin.menu.title=Dokumentenpool
 admin.menu.title.alt=Dokumentenpool
-admin.permissions.description=Die Zugangsberechtigungen zum Dokumentenpool basieren auf Kompetenzen von Benutzern auf die jeweiligen Taxonomieebenen. Die Steuerung erfolgt \u00FCber assozierten Ebenentypen.
+admin.permissions.description=Die Zugangsberechtigungen zum Dokumentenpool basieren auf Kompetenzen von Benutzern auf die jeweiligen Taxonomieebenen. Die Steuerung erfolgt \u00FCber assozierte Ebenentypen.
 create.infos.page=Infoseite erstellen
 document.pool.admin.enabled=Dokumentenpool einschalten
 document.pool.configuration=Dokumentenpool
diff --git a/src/main/java/org/olat/user/propertyhandlers/GenericSelectionPropertyHandler.java b/src/main/java/org/olat/user/propertyhandlers/GenericSelectionPropertyHandler.java
index 2133ee4798a9bbb399f97ebae7458380fd9de011..880d52d2f3b889876a16485bdd124daa4302b421 100644
--- a/src/main/java/org/olat/user/propertyhandlers/GenericSelectionPropertyHandler.java
+++ b/src/main/java/org/olat/user/propertyhandlers/GenericSelectionPropertyHandler.java
@@ -260,10 +260,8 @@ public class GenericSelectionPropertyHandler extends AbstractUserPropertyHandler
 		}
 		if (formItem instanceof SingleSelection) {
 			SingleSelection sel = (SingleSelection)formItem;
-			if(sel.isOneSelected()) {
+			if(sel.isOneSelected() && !NO_SEL_KEY.equals(sel.getSelectedKey())) {
 				return sel.getSelectedKey();
-			} else {
-				return null;
 			}
 		}
 		return null;
diff --git a/src/test/java/org/olat/group/test/BusinessGroupServiceTest.java b/src/test/java/org/olat/group/test/BusinessGroupServiceTest.java
index 0b1b8cd24fcb811ad41cdcef39655277ff77331b..75d95752c4402955f7254340c9fd1ad16600515c 100644
--- a/src/test/java/org/olat/group/test/BusinessGroupServiceTest.java
+++ b/src/test/java/org/olat/group/test/BusinessGroupServiceTest.java
@@ -1228,6 +1228,64 @@ public class BusinessGroupServiceTest extends OlatTestCase {
 		Assert.assertTrue(contactList.contains(adminIdentity));
 	}
 	
+	@Test
+	public void allowToLeavingBusinessGroup_subAndMoreOrganisation() {
+		// a special
+		String uuid = UUID.randomUUID().toString();
+		Organisation organisation = organisationService.getDefaultOrganisation();
+		Organisation subOrganisation1 = organisationService
+				.createOrganisation("Sub-organisation 1", uuid, "", organisation, null);
+		Organisation subOrganisation1_1 = organisationService
+				.createOrganisation("Sub-organisation 1.1", uuid, "", subOrganisation1, null);
+		Organisation subOrganisation2 = organisationService
+				.createOrganisation("Sub-organisation 2", uuid, "", organisation, null);
+		
+		// create an administrator
+		String adminName = "admin" + uuid;
+		User adminUser = userManager.createUser("Admin", "Istrator", uuid + "admin@openolat.org");
+		Identity adminIdentity = securityManager.createAndPersistIdentityAndUser(adminName, null, adminUser, null, adminName);
+		organisationService.addMember(subOrganisation1, adminIdentity, OrganisationRoles.user);
+		organisationService.addMember(subOrganisation1, adminIdentity, OrganisationRoles.administrator);
+		// create a second administrator in the second sub organization
+		String adminName2 = "admin2" + uuid;
+		User adminUser2 = userManager.createUser("Admin", "Istrator", uuid + "admin@openolat.org");
+		Identity adminIdentity2 = securityManager.createAndPersistIdentityAndUser(adminName2, null, adminUser2, null, adminName2);
+		organisationService.addMember(subOrganisation2, adminIdentity2, OrganisationRoles.user);
+		organisationService.addMember(subOrganisation2, adminIdentity2, OrganisationRoles.administrator);
+		// create a third administrator in the organization under the first sub organization
+		String adminName3 = "admin3" + uuid;
+		User adminUser3 = userManager.createUser("Admin", "Istrator", uuid + "admin@openolat.org");
+		Identity adminIdentity3 = securityManager.createAndPersistIdentityAndUser(adminName3, null, adminUser3, null, adminName3);
+		organisationService.addMember(subOrganisation1, adminIdentity3, OrganisationRoles.user);
+		organisationService.addMember(subOrganisation1_1, adminIdentity3, OrganisationRoles.administrator);
+		//create a user
+		String userName = "user" + uuid;
+		User user = userManager.createUser("Us", "er", uuid + "user@openolat.org");
+		Identity userIdentity = securityManager.createAndPersistIdentityAndUser(userName, null, user, null, userName);
+		organisationService.addMember(subOrganisation1, userIdentity, OrganisationRoles.user);
+		dbInstance.commitAndCloseSession();
+		
+		BusinessGroup group = businessGroupService.createBusinessGroup(null, "Leaving group", "But you cannot leave :-(", new Integer(0), new Integer(2), false, false, null);
+		businessGroupRelationDao.addRole(userIdentity, group, GroupRoles.participant.name());
+		dbInstance.commitAndCloseSession();
+		
+		//set to not allowed to leave
+		group = businessGroupService.updateAllowToLeaveBusinessGroup(group, false);
+		dbInstance.commitAndCloseSession();
+
+		//check the authors group leaving option
+		LeaveOption optionToLeave = businessGroupService.isAllowToLeaveBusinessGroup(userIdentity, group);
+		Assert.assertNotNull(optionToLeave);
+		Assert.assertFalse(optionToLeave.isAllowToLeave());
+		ContactList contacts = optionToLeave.getContacts();
+		Collection<Identity> contactList = contacts.getIdentiEmails().values();
+		Assert.assertNotNull(contactList);
+		Assert.assertFalse(contactList.isEmpty());
+		Assert.assertTrue(contactList.contains(adminIdentity));
+		Assert.assertFalse(contactList.contains(adminIdentity2));
+		Assert.assertFalse(contactList.contains(adminIdentity3));
+	}
+	
 	@Ignore @Test
 	public void parallelRemoveParticipants() {
 		mailModule.setInterSystem(true);