Program: 98961
Project: 98961
Buggy source:
public void initResources(){
  playfield=new PlayField();
  playfield.setBackground(new ColorBackground(Color.LIGHT_GRAY,1200,900));
  HUD=new HeadsUpDisplay(getImage("String_Node_Str"),0,0);
  s1=new BryanSprite();
  s1.setImage(getImage("String_Node_Str"));
  s1.setLocation(300,200);
  s1.createStat("String_Node_Str",new NumberStat(300));
  s1.createStat("String_Node_Str",new NumberStat(300));
  s1.createStat("String_Node_Str",new NumberStat(0));
  timeStat=new NumberStat(0);
  SpriteGroup character=new SpriteGroup("String_Node_Str");
  character.add(s1);
  GraphicItem healthbar=new GraphicItem(getImage("String_Node_Str",false),75,3,s1.getStat("String_Node_Str"));
  HUD.addItem(healthbar);
  FollowGraphicItem manabar=new FollowGraphicItem(getImage("String_Node_Str",false),-50,-20,s1.getStat("String_Node_Str"),s1);
  HUD.addItem(manabar);
  scoreFont=fontManager.getFont(getImages("String_Node_Str",8,12));
  TextItem score=new TextItem(scoreFont,400,10,s1.getStat("String_Node_Str"));
  HUD.addItem(score);
  timeStat.incrementWithTimer(500,1);
  TextItem timerScore=new TextItem(scoreFont,25,10,timeStat);
  HUD.addItem(timerScore);
  FollowTextItem Followscore=new FollowTextItem(scoreFont,-50,-40,timeStat,s1);
  HUD.addItem(Followscore);
  Sprite wall1=new Sprite(getImage("String_Node_Str"));
  wall1.setLocation(350,400);
  Sprite wall2=new Sprite(getImage("String_Node_Str"));
  wall2.setLocation(300,400);
  Sprite wall3=new Sprite(getImage("String_Node_Str"));
  wall3.setLocation(200,400);
  Sprite wall4=new Sprite(getImage("String_Node_Str"));
  wall4.setLocation(250,400);
  SpriteGroup walls=new SpriteGroup("String_Node_Str");
  walls.add(wall1);
  walls.add(wall2);
  walls.add(wall3);
  walls.add(wall4);
  collisionTypeWall=new WallCollision();
  collisionTypeWall.setCollisionGroup(character,walls);
  playfield.addGroup(character);
  playfield.addGroup(walls);
}

Fixed version (ground truth):
public void initResources(){
  playfield=new PlayField();
  playfield.setBackground(new ColorBackground(Color.LIGHT_GRAY,1200,900));
  HUD=new HeadsUpDisplay(getImage("String_Node_Str"),0,0);
  s1=new BryanSprite();
  s1.setImage(getImage("String_Node_Str"));
  s1.setLocation(300,200);
  s1.createStat("String_Node_Str",new NumberStat(300));
  s1.createStat("String_Node_Str",new NumberStat(300));
  s1.createStat("String_Node_Str",new NumberStat(0));
  timeStat=new NumberStat(0);
  generalTime=new NumberStat(0);
  SpriteGroup character=new SpriteGroup("String_Node_Str");
  character.add(s1);
  GraphicItem healthbar=new GraphicItem(getImage("String_Node_Str",false),75,3,s1.getStat("String_Node_Str"));
  HUD.addItem(healthbar);
  FollowGraphicItem manabar=new FollowGraphicItem(getImage("String_Node_Str",false),-50,-20,s1.getStat("String_Node_Str"),s1);
  HUD.addItem(manabar);
  scoreFont=fontManager.getFont(getImages("String_Node_Str",8,12));
  TextItem score=new TextItem(scoreFont,500,10,s1.getStat("String_Node_Str"));
  HUD.addItem(score);
  generalTime.incrementWithTimer(100,100);
  TimerItem generalTimer=new TimerItem(scoreFont,400,10,generalTime);
  HUD.addItem(generalTimer);
  timeStat.incrementWithTimer(500,1);
  TextItem timerScore=new TextItem(scoreFont,25,10,timeStat);
  HUD.addItem(timerScore);
  FollowTextItem Followscore=new FollowTextItem(scoreFont,-50,-40,timeStat,s1);
  HUD.addItem(Followscore);
  Sprite wall1=new Sprite(getImage("String_Node_Str"));
  wall1.setLocation(350,400);
  Sprite wall2=new Sprite(getImage("String_Node_Str"));
  wall2.setLocation(300,400);
  Sprite wall3=new Sprite(getImage("String_Node_Str"));
  wall3.setLocation(200,400);
  Sprite wall4=new Sprite(getImage("String_Node_Str"));
  wall4.setLocation(250,400);
  SpriteGroup walls=new SpriteGroup("String_Node_Str");
  walls.add(wall1);
  walls.add(wall2);
  walls.add(wall3);
  walls.add(wall4);
  collisionTypeWall=new WallCollision();
  collisionTypeWall.setCollisionGroup(character,walls);
  playfield.addGroup(character);
  playfield.addGroup(walls);
}