attempt to stop second box crash

src/engine/objects/PlayerCharacter.java

@@ -5684,7 +5684,8 @@ public class PlayerCharacter extends AbstractCharacter {
     }
 
     public void setEnteredWorld(boolean enteredWorld) {
-        this.timestamps.put("nextBoxCheck", System.currentTimeMillis() + 10000);
+        if(enteredWorld)
+            this.timestamps.put("nextBoxCheck", System.currentTimeMillis() + 10000);
         this.enteredWorld = enteredWorld;
     }