diff --git a/src/main/java/META-INF/persistence.xml b/src/main/java/META-INF/persistence.xml
index 7c982dce7b..d154af11e3 100644
--- a/src/main/java/META-INF/persistence.xml
+++ b/src/main/java/META-INF/persistence.xml
@@ -27,6 +27,16 @@
 		<class>se.su.dsv.scipro.data.dataobjects.ProjectSchedule</class>
 		<class>se.su.dsv.scipro.data.dataobjects.ProjectFollower</class>
 		<class>se.su.dsv.scipro.data.dataobjects.ProjectTeamMember</class>
+		<class>se.su.dsv.scipro.data.dataobjects.Board</class>
+		<class>se.su.dsv.scipro.data.dataobjects.BoardMessage</class>
+		<class>se.su.dsv.scipro.data.dataobjects.HiddenMessage</class>
+		<class>se.su.dsv.scipro.data.dataobjects.HiddenMessageBoard</class>
+		<class>se.su.dsv.scipro.data.dataobjects.Message</class>
+		<class>se.su.dsv.scipro.data.dataobjects.MessageBoard</class>
+		<class>se.su.dsv.scipro.data.dataobjects.PrivateMessage</class>
+		<class>se.su.dsv.scipro.data.dataobjects.Recipient</class>
+		
+		
 
 		<properties>
 		
@@ -74,6 +84,14 @@
 		<class>se.su.dsv.scipro.data.dataobjects.ProjectSchedule</class>
 		<class>se.su.dsv.scipro.data.dataobjects.ProjectFollower</class>
 		<class>se.su.dsv.scipro.data.dataobjects.ProjectTeamMember</class>
+		<class>se.su.dsv.scipro.data.dataobjects.Board</class>
+		<class>se.su.dsv.scipro.data.dataobjects.BoardMessage</class>
+		<class>se.su.dsv.scipro.data.dataobjects.HiddenMessage</class>
+		<class>se.su.dsv.scipro.data.dataobjects.HiddenMessageBoard</class>
+		<class>se.su.dsv.scipro.data.dataobjects.Message</class>
+		<class>se.su.dsv.scipro.data.dataobjects.MessageBoard</class>
+		<class>se.su.dsv.scipro.data.dataobjects.PrivateMessage</class>
+		<class>se.su.dsv.scipro.data.dataobjects.Recipient</class>
 
 		<properties>