Program: 84668
Project: 84668
Buggy source:
public void GameScreen(){
  if (GameScreen == null) {
    GameScreen=new Scene(5);
    GameScreen.setBackground(base.autoParallaxBackground);
    base.loadCastle(base.getCameraWidth() - (base.getCastleTexture().getWidth()),base.getCameraHeight() - 60 - base.getCastleTexture().getHeight());
    base.CustomHUD.RefreshHUD();
    base.CustomHUD.HideValues(false);
    base.sm.GameScreen.registerUpdateHandler(new IUpdateHandler(){
      @Override public void onUpdate(      float pSecondsElapsed){
        if (base.sPreviousWaveNum != base.theWave.getWaveNumber() && base.sKillCount != base.sPreviousKillCount)         if ((base.sKillCount - base.sPreviousKillCount) == base.theWave.getNumberEnemysToSpawn()) {
          base.theWave.mCashAmountItem.setText("String_Node_Str" + base.sMoney);
          base.theWave.mBuyMenuItem.setText("String_Node_Str" + base.sCastle.getCurrentHealth() + "String_Node_Str"+ base.sCastle.getMaxHealth());
          base.sEndWaveActive=true;
          base.sPreviousWaveNum=base.theWave.getWaveNumber();
          base.sPreviousKillCount+=base.theWave.getNumberEnemysToSpawn();
          base.sm.EndWaveScreen();
        }
        if (base.lightning != null)         if (base.lightning.isAnimationRunning() == false) {
          base.sm.GameScreen.detachChild(base.lightning);
          if (base.mLightningBolt == true)           base.sm.GameScreen.registerUpdateHandler(new TimerHandler(1 / 4.0f,true,new ITimerCallback(){
            @Override public void onTimePassed(            TimerHandler pTimerHandler){
              base.sm.GameScreen.unregisterUpdateHandler(pTimerHandler);
              base.mLightningBolt=false;
              base.mLightningBoltX=0;
              base.mLightningBoltY=0;
            }
          }
));
        }
        if (base.mEarthquake == true) {
          base.mEarthquake=false;
          base.mEarthQuaking=true;
          base.sm.GameScreen.registerUpdateHandler(new TimerHandler(1 / 6.0f,new ITimerCallback(){
            @Override public void onTimePassed(            TimerHandler pTimerHandler){
              currentEarthDuration++;
              if (currentEarthDuration >= EarthQuakeDuration) {
                base.sm.GameScreen.unregisterUpdateHandler(pTimerHandler);
                currentEarthDuration=0;
                base.sCamera.setCenter(base.sCamera.getWidth() / 2,base.sCamera.getHeight() / 2);
                base.backgroundSprite1.setPosition(0.0f,0.0f + (base.getCameraHeight() - base.getParallaxLayerBack().getHeight()));
                base.backgroundSprite2.setPosition(0.0f,0.0f + 80);
                base.backgroundSprite3.setPosition(0.0f + 35,0.0f + 62);
                base.mEarthQuaking=false;
              }
 else {
                if (currentEarthDuration % 6 == 0 || currentEarthDuration == 1) {
                  if ((base.mana - 500) >= 0) {
                    base.mana-=500;
                    base.CustomHUD.updateManaValue();
                    float theX=MathUtils.random(-10.0f,10.0f);
                    float theY=MathUtils.random(-10.0f,10.0f);
                    base.sCamera.offsetCenter(theX,theY);
                    base.backgroundSprite1.setPosition(base.backgroundSprite1.getX() - theX,base.backgroundSprite1.getY() - theY);
                    base.backgroundSprite2.setPosition(base.backgroundSprite2.getX() - theX,base.backgroundSprite2.getY() - theY);
                    base.backgroundSprite3.setPosition(base.backgroundSprite3.getX() - theX,base.backgroundSprite3.getY() - theY);
                    base.mEarthQuaking=true;
                  }
 else {
                    base.mEarthQuaking=false;
                    currentEarthDuration=EarthQuakeDuration;
                  }
                }
 else {
                  float theX=MathUtils.random(-10.0f,10.0f);
                  float theY=MathUtils.random(-10.0f,10.0f);
                  base.sCamera.offsetCenter(theX,theY);
                  base.backgroundSprite1.setPosition(base.backgroundSprite1.getX() - theX,base.backgroundSprite1.getY() - theY);
                  base.backgroundSprite2.setPosition(base.backgroundSprite2.getX() - theX,base.backgroundSprite2.getY() - theY);
                  base.backgroundSprite3.setPosition(base.backgroundSprite3.getX() - theX,base.backgroundSprite3.getY() - theY);
                  base.mEarthQuaking=false;
                }
                pTimerHandler.reset();
              }
            }
          }
));
        }
      }
      @Override public void reset(){
      }
    }
);
  }
  if (base.CustomHUD.getHud() != null)   base.CustomHUD.HideValues(false);
  GameScreen.setOnAreaTouchTraversalFrontToBack();
  base.getEngine().setScene(GameScreen);
  CameraSet();
  base.CustomHUD.RefreshHUD();
}

Fixed version (ground truth):
public void GameScreen(){
  if (GameScreen == null) {
    GameScreen=new Scene();
    GameScreen.setBackground(base.autoParallaxBackground);
    base.loadCastle(base.getCameraWidth() - (base.getCastleTexture().getWidth()),base.getCameraHeight() - 60 - base.getCastleTexture().getHeight());
    base.CustomHUD.RefreshHUD();
    base.CustomHUD.HideValues(false);
    base.sm.GameScreen.registerUpdateHandler(new IUpdateHandler(){
      @Override public void onUpdate(      float pSecondsElapsed){
        if (base.sPreviousWaveNum != base.theWave.getWaveNumber() && base.sKillCount != base.sPreviousKillCount)         if ((base.sKillCount - base.sPreviousKillCount) == base.theWave.getNumberEnemysToSpawn()) {
          base.theWave.mCashAmountItem.setText("String_Node_Str" + base.sMoney);
          base.theWave.mBuyMenuItem.setText("String_Node_Str" + base.sCastle.getCurrentHealth() + "String_Node_Str"+ base.sCastle.getMaxHealth());
          base.sEndWaveActive=true;
          base.sPreviousWaveNum=base.theWave.getWaveNumber();
          base.sPreviousKillCount+=base.theWave.getNumberEnemysToSpawn();
          base.sm.EndWaveScreen();
        }
        if (base.lightning != null)         if (base.lightning.isAnimationRunning() == false) {
          base.sm.GameScreen.detachChild(base.lightning);
          if (base.mLightningBolt == true)           base.sm.GameScreen.registerUpdateHandler(new TimerHandler(1 / 4.0f,true,new ITimerCallback(){
            @Override public void onTimePassed(            TimerHandler pTimerHandler){
              base.sm.GameScreen.unregisterUpdateHandler(pTimerHandler);
              base.mLightningBolt=false;
              base.mLightningBoltX=0;
              base.mLightningBoltY=0;
            }
          }
));
        }
        if (base.mEarthquake == true) {
          base.mEarthquake=false;
          base.mEarthQuaking=true;
          base.sm.GameScreen.registerUpdateHandler(new TimerHandler(1 / 6.0f,new ITimerCallback(){
            @Override public void onTimePassed(            TimerHandler pTimerHandler){
              currentEarthDuration++;
              if (currentEarthDuration >= EarthQuakeDuration) {
                base.sm.GameScreen.unregisterUpdateHandler(pTimerHandler);
                currentEarthDuration=0;
                base.getCamera().setCenter(base.getCameraWidth() / 2,base.getCameraHeight() / 2);
                base.backgroundSprite1.setPosition(0.0f,0.0f + (base.getCameraHeight() - base.getParallaxLayerBack().getHeight()));
                base.backgroundSprite2.setPosition(0.0f,0.0f + 80);
                base.backgroundSprite3.setPosition(0.0f + 35,0.0f + 62);
                base.mEarthQuaking=false;
              }
 else {
                if (currentEarthDuration % 6 == 0 || currentEarthDuration == 1) {
                  if ((base.mana - 500) >= 0) {
                    base.mana-=500;
                    base.CustomHUD.updateManaValue();
                    float theX=MathUtils.random(-10.0f,10.0f);
                    float theY=MathUtils.random(-10.0f,10.0f);
                    base.getCamera().offsetCenter(theX,theY);
                    base.backgroundSprite1.setPosition(base.backgroundSprite1.getX() - theX,base.backgroundSprite1.getY() - theY);
                    base.backgroundSprite2.setPosition(base.backgroundSprite2.getX() - theX,base.backgroundSprite2.getY() - theY);
                    base.backgroundSprite3.setPosition(base.backgroundSprite3.getX() - theX,base.backgroundSprite3.getY() - theY);
                    base.mEarthQuaking=true;
                  }
 else {
                    base.mEarthQuaking=false;
                    currentEarthDuration=EarthQuakeDuration;
                  }
                }
 else {
                  float theX=MathUtils.random(-10.0f,10.0f);
                  float theY=MathUtils.random(-10.0f,10.0f);
                  base.getCamera().offsetCenter(theX,theY);
                  base.backgroundSprite1.setPosition(base.backgroundSprite1.getX() - theX,base.backgroundSprite1.getY() - theY);
                  base.backgroundSprite2.setPosition(base.backgroundSprite2.getX() - theX,base.backgroundSprite2.getY() - theY);
                  base.backgroundSprite3.setPosition(base.backgroundSprite3.getX() - theX,base.backgroundSprite3.getY() - theY);
                  base.mEarthQuaking=false;
                }
                pTimerHandler.reset();
              }
            }
          }
));
        }
      }
      @Override public void reset(){
      }
    }
);
  }
  if (base.CustomHUD.getHud() != null)   base.CustomHUD.HideValues(false);
  GameScreen.setOnAreaTouchTraversalFrontToBack();
  base.getEngine().setScene(GameScreen);
  CameraSet();
  base.CustomHUD.RefreshHUD();
}