contact: validation of duplicated entry

entity/Contact_entity/entityfields/organisation_id/onValidation.js

@@ -21,5 +21,5 @@ if (personId && organisationId)
                                                        .andPrepare("CONTACT.ORGANISATION_ID", organisationId)
                                                        .buildSql("select CONTACT.CONTACTID from CONTACT"));
     if (alreadyExistantContactId != "")
-        result.string(translate.text("The combination of person and organisation does already exist and can not be created once more."));
+        result.string(translate.text("This combination of person and organisation does already exist and can not be created once more."));
 }
\ No newline at end of file

language/_____LANGUAGE_de/_____LANGUAGE_de.aod

@@ -50,6 +50,10 @@
       <key>Show all contracts</key>
       <value>Alle Verträge anzeigen</value>
     </entry>
+    <entry>
+      <key>This combination of person and organisation does already exist and can not be created once more.</key>
+      <value>Diese Kombination aus Person und Organisation existiert bereits und kann daher nicht nocht ein mal angelegt werden.</value>
+    </entry>
     <entry>
       <key>Communication data</key>
       <value>Kommunikationsdaten</value>