Don't keep trying to load if they've got an old file.

src/main/java/com/gmail/nossr50/config/treasure/TreasureConfig.java

@@ -77,6 +77,7 @@ public class TreasureConfig extends ConfigLoader {
             plugin.getLogger().warning("You are using an old version of the treasures.yml file.");
             plugin.getLogger().warning("You should delete your current file and allow a new one to generate.");
             plugin.getLogger().warning("Shake, Hylian Luck, Fishing, and Excavation will not work properly until you do.");
+            return;
         }
 
         loadTreaures("Fishing");