diff --git a/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/ui/SciProjectDescriptionContactsModel.java b/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/ui/SciProjectDescriptionContactsModel.java
index fbbd055..a370f34 100644
--- a/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/ui/SciProjectDescriptionContactsModel.java
+++ b/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/ui/SciProjectDescriptionContactsModel.java
@@ -1,6 +1,7 @@
 package org.scientificcms.contenttypes.sciproject.ui;
 
-import org.librecms.assets.ContactableEntity;
+import org.librecms.assets.Organization;
+import org.librecms.assets.Person;
 
 import java.util.ArrayList;
 import java.util.Collections;
@@ -39,8 +40,10 @@ public class SciProjectDescriptionContactsModel {
         this.contacts = new ArrayList<>(contacts);
     }
 
-     public String getContactableType() {
-        return ContactableEntity.class.getName();
+     public String getContactableTypes() {
+        return String.join(
+            ",", Person.class.getName(), Organization.class.getName()
+        );
     }
      
      public String getBaseUrl() {
diff --git a/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/ui/SciProjectDescriptionStep.java b/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/ui/SciProjectDescriptionStep.java
index bce5017..1b0d502 100644
--- a/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/ui/SciProjectDescriptionStep.java
+++ b/sci-types-project/src/main/java/org/scientificcms/contenttypes/sciproject/ui/SciProjectDescriptionStep.java
@@ -18,11 +18,14 @@
  */
 package org.scientificcms.contenttypes.sciproject.ui;
 
+import org.libreccm.api.Identifier;
+import org.libreccm.api.IdentifierParser;
 import org.libreccm.l10n.GlobalizationHelper;
 import org.libreccm.security.AuthorizationRequired;
 import org.libreccm.ui.BaseUrl;
 import org.librecms.assets.ContactableEntity;
 import org.librecms.assets.Person;
+import org.librecms.contentsection.Asset;
 import org.librecms.contentsection.AssetRepository;
 import org.librecms.contentsection.ContentItemRepository;
 import org.librecms.ui.contentsections.ContentSectionNotFoundException;
@@ -83,8 +86,8 @@ public class SciProjectDescriptionStep extends AbstractMvcAuthoringStep {
 
     @Inject
     private AssetRepository assetRepo;
-    
-    @Inject 
+
+    @Inject
     private BaseUrl baseUrl;
 
     @Inject
@@ -99,9 +102,12 @@ public class SciProjectDescriptionStep extends AbstractMvcAuthoringStep {
     @Inject
     private GlobalizationHelper globalizationHelper;
 
+    @Inject
+    private IdentifierParser identifierParser;
+
     @Context
     private HttpServletRequest request;
-    
+
     @Inject
     private ItemPermissionChecker itemPermissionChecker;
 
@@ -362,15 +368,34 @@ public class SciProjectDescriptionStep extends AbstractMvcAuthoringStep {
         }
 
         if (itemPermissionChecker.canEditItem(getProject())) {
-            final Optional<ContactableEntity> result = assetRepo
-                .findByUuidAndType(contactableUuid, ContactableEntity.class);
+            final Optional<Asset> result;
+            final Identifier identifier = identifierParser.parseIdentifier(
+                contactableUuid
+            );
+            switch (identifier.getType()) {
+                case ID:
+                    result = assetRepo.findById(
+                        Long.parseLong(identifier.getIdentifier())
+                    );
+                    break;
+                case UUID:
+                    result = assetRepo.findByUuid(
+                        identifier.getIdentifier()
+                    );
+                    break;
+                default:
+                    models.put("contactableNotFound", contactableUuid);
+                    return showStep(sectionIdentifier, documentPath);
+            }
 
-            if (!result.isPresent()) {
+            if (!result.isPresent()
+                    || !(result.get() instanceof ContactableEntity)) {
                 models.put("contactableNotFound", contactableUuid);
                 return showStep(sectionIdentifier, documentPath);
             }
 
-            final ContactableEntity contactable = result.get();
+            final ContactableEntity contactable = (ContactableEntity) result
+                .get();
             projectManager.addContact(contactable, getProject(), type);
 
             return buildRedirectPathForStep();
diff --git a/sci-types-project/src/main/resources/WEB-INF/views/org/scientificcms/contenttypes/sciproject/ui/sciproject-description.xhtml b/sci-types-project/src/main/resources/WEB-INF/views/org/scientificcms/contenttypes/sciproject/ui/sciproject-description.xhtml
index ac185fe..5b0737a 100644
--- a/sci-types-project/src/main/resources/WEB-INF/views/org/scientificcms/contenttypes/sciproject/ui/sciproject-description.xhtml
+++ b/sci-types-project/src/main/resources/WEB-INF/views/org/scientificcms/contenttypes/sciproject/ui/sciproject-description.xhtml
@@ -13,6 +13,12 @@
         <ui:define name="authoringStep">
             <h2>#{SciProjectMessageBundle['description_step.header']}</h2>
 
+            <c:if test="#{contactableNotFound != null}">
+                <div class="alert alert-warning">
+                    #{SciProjectMessageBundle.getMessage('description_step.errors.contactable_not_found', [contactableNotFound])}
+                </div>
+            </c:if>
+            
             <librecms:cmsEditorVariants
                 addButtonLabel="#{SciProjectMessageBundle['description.editor.add_variant']}"
                 addDialogLocaleSelectHelp="#{SciProjectMessageBundle['description.editor.add.locale.help']}"
@@ -43,7 +49,7 @@
             </div>
             <librecms:assetPicker
                 actionUrl="#{mvc.basePath}/#{ContentSectionModel.sectionName}/documents/#{CmsSelectedDocumentModel.itemPath}/@sciproject-description/contacts/add"
-                assetType="#{SciProjectDescriptionContacts.contactableType}"
+                assetType="#{SciProjectDescriptionContacts.contactableTypes}"
                 assetPickerId="contacts-picker"
                 baseUrl="#{SciProjectDescriptionContacts.baseUrl}"
                 contentSection="#{ContentSectionModel.sectionName}"
@@ -60,8 +66,6 @@
                     <p>#{SciProjectMessageBundle['contacts.none']}</p>
                 </c:when>
                 <c:otherwise>
-
-
                     <table>
                         <thead>
                             <tr>
@@ -153,10 +157,9 @@
             <div class="mb-2">
                 <div class="text-right">
                     <librecms:assetPickerButton 
-                        assetPickerId="contacts-picker"
+                        assetPickerId="members-picker"
                         buttonIcon="plus-circle"
                         buttonText="#{SciProjectMessageBundle['memberships.add_button.label']}"
-
                         />
                 </div>
             </div>
diff --git a/sci-types-project/src/main/resources/org/scientificcms/contenttypes/sciproject/ui/SciProjectBundle.properties b/sci-types-project/src/main/resources/org/scientificcms/contenttypes/sciproject/ui/SciProjectBundle.properties
index 1fc73ae..0c0df04 100644
--- a/sci-types-project/src/main/resources/org/scientificcms/contenttypes/sciproject/ui/SciProjectBundle.properties
+++ b/sci-types-project/src/main/resources/org/scientificcms/contenttypes/sciproject/ui/SciProjectBundle.properties
@@ -171,3 +171,4 @@ authoringsteps.projectdescription.description=Detailed description of the resear
 authoringsteps.projectdescription.label=Description
 memberships.none=No memberships assigned yet.
 contacts.none=No contacts assigned yet.
+description_step.errors.contactable_not_found=Selected contactable entity {0} not found.
diff --git a/sci-types-project/src/main/resources/org/scientificcms/contenttypes/sciproject/ui/SciProjectBundle_de.properties b/sci-types-project/src/main/resources/org/scientificcms/contenttypes/sciproject/ui/SciProjectBundle_de.properties
index 8e54560..53f06d7 100644
--- a/sci-types-project/src/main/resources/org/scientificcms/contenttypes/sciproject/ui/SciProjectBundle_de.properties
+++ b/sci-types-project/src/main/resources/org/scientificcms/contenttypes/sciproject/ui/SciProjectBundle_de.properties
@@ -171,3 +171,4 @@ authoringsteps.projectdescription.description=Ausf\u00fchrliche Beschreibung des
 authoringsteps.projectdescription.label=Beschreibung
 memberships.none=Es wurden noch keine Mitglieder hinzugef\u00fcgt.
 contacts.none=Es wurden noch keine Kontakte hinzugef\u00fcgt.
+description_step.errors.contactable_not_found=Die als Kontakt ausgew\u00e4hlte Entity {0} wurde nicht gefunden.