Program: 133888
Project: 133888
Buggy source:
private void affectPeople(Location location,Vector direction){
  WaterAbility.removeWaterSpouts(location,player);
  removeAirSpouts(location,player);
  final List<Entity> entities=GeneralMethods.getEntitiesAroundPoint(location,radius);
  final Vector fDirection=direction;
  for (int i=0; i < entities.size(); i++) {
    final Entity entity=entities.get(i);
    new BukkitRunnable(){
      public void run(){
        if (GeneralMethods.isRegionProtectedFromBuild(AirSwipe.this,entity.getLocation())) {
          return;
        }
        if (entity.getEntityId() != player.getEntityId() && entity instanceof LivingEntity) {
          if (entity instanceof Player) {
            if (Commands.invincible.contains(((Player)entity).getName())) {
              return;
            }
          }
          if (entities.size() < MAX_AFFECTABLE_ENTITIES) {
            if (bPlayer.isAvatarState()) {
              GeneralMethods.setVelocity(entity,fDirection.multiply(AvatarState.getValue(pushFactor)));
            }
 else {
              GeneralMethods.setVelocity(entity,fDirection.multiply(pushFactor));
            }
          }
          if (entity instanceof LivingEntity && !affectedEntities.contains(entity)) {
            if (damage != 0) {
              DamageHandler.damageEntity(entity,damage,ability);
            }
            affectedEntities.add(entity);
          }
          if (entity instanceof Player) {
            new Flight((Player)entity,player);
          }
          breakBreathbendingHold(entity);
          if (elements.containsKey(fDirection)) {
            elements.remove(fDirection);
          }
        }
 else         if (entity.getEntityId() != player.getEntityId() && !(entity instanceof LivingEntity)) {
          if (bPlayer.isAvatarState()) {
            GeneralMethods.setVelocity(entity,fDirection.multiply(AvatarState.getValue(pushFactor)));
          }
 else {
            GeneralMethods.setVelocity(entity,fDirection.multiply(pushFactor));
          }
        }
      }
    }
.runTaskLater(ProjectKorra.plugin,i / MAX_AFFECTABLE_ENTITIES);
  }
}

Fixed version (ground truth):
private void affectPeople(Location location,Vector direction){
  WaterAbility.removeWaterSpouts(location,player);
  removeAirSpouts(location,player);
  removeAirSpouts(location,player);
  final List<Entity> entities=GeneralMethods.getEntitiesAroundPoint(location,radius);
  final Vector fDirection=direction;
  for (int i=0; i < entities.size(); i++) {
    final Entity entity=entities.get(i);
    new BukkitRunnable(){
      public void run(){
        if (GeneralMethods.isRegionProtectedFromBuild(AirSwipe.this,entity.getLocation())) {
          return;
        }
        if (entity.getEntityId() != player.getEntityId() && entity instanceof LivingEntity) {
          if (entity instanceof Player) {
            if (Commands.invincible.contains(((Player)entity).getName())) {
              return;
            }
          }
          if (entities.size() < MAX_AFFECTABLE_ENTITIES) {
            if (bPlayer.isAvatarState()) {
              GeneralMethods.setVelocity(entity,fDirection.multiply(AvatarState.getValue(pushFactor)));
            }
 else {
              GeneralMethods.setVelocity(entity,fDirection.multiply(pushFactor));
            }
          }
          if (entity instanceof LivingEntity && !affectedEntities.contains(entity)) {
            if (damage != 0) {
              DamageHandler.damageEntity(entity,damage,ability);
            }
            affectedEntities.add(entity);
          }
          if (entity instanceof Player) {
            new Flight((Player)entity,player);
          }
          breakBreathbendingHold(entity);
          if (elements.containsKey(fDirection)) {
            elements.remove(fDirection);
          }
        }
 else         if (entity.getEntityId() != player.getEntityId() && !(entity instanceof LivingEntity)) {
          if (bPlayer.isAvatarState()) {
            GeneralMethods.setVelocity(entity,fDirection.multiply(AvatarState.getValue(pushFactor)));
          }
 else {
            GeneralMethods.setVelocity(entity,fDirection.multiply(pushFactor));
          }
        }
      }
    }
.runTaskLater(ProjectKorra.plugin,i / MAX_AFFECTABLE_ENTITIES);
  }
}