Empty check when reading enum

src/engine/objects/Item.java

@@ -153,6 +153,7 @@ public class Item extends AbstractWorldObject {
 
         String flagString = rs.getString("item_flags");
 
+        if (flagString.isEmpty() == false)
             for (String itemFlag : flagString.split(";"))
                 this.flags.add(Enum.ItemFlags.valueOf(itemFlag));