OO-1011: persist new checklist

src/main/java/de/bps/course/nodes/ChecklistCourseNode.java

@@ -160,7 +160,8 @@ public class ChecklistCourseNode extends AbstractAccessableCourseNode {
 			} else 
 			// this is part of a copied course, the original checklist will be copied
 			if(getModuleConfiguration().get(CONF_CHECKLIST) != null) {
-				Checklist orgChecklist = ChecklistManager.getInstance().loadChecklist((Checklist) getModuleConfiguration().get(ChecklistCourseNode.CONF_CHECKLIST));
+				Checklist confChecklist = (Checklist)getModuleConfiguration().get(ChecklistCourseNode.CONF_CHECKLIST);
+				Checklist orgChecklist = ChecklistManager.getInstance().loadChecklist(confChecklist);
 				checklist = ChecklistManager.getInstance().copyChecklist(orgChecklist);
 			} else {
 				// no checklist available, create new one

src/main/java/de/bps/olat/modules/cl/ChecklistManager.java

@@ -95,7 +95,12 @@ public class ChecklistManager {
 	 */
 	public Checklist saveChecklist(Checklist cl) {
 		cl.setLastModified(new Date());
-		return DBFactory.getInstance().getCurrentEntityManager().merge(cl);
+		if(cl.getKey() == null) {
+			DBFactory.getInstance().getCurrentEntityManager().persist(cl);
+		} else {
+			cl = DBFactory.getInstance().getCurrentEntityManager().merge(cl);
+		}
+		return cl;
 	}
 	
 	/**